| Authors: |
Owens CA; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Ludmir EB; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Liu Q; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Qiu W; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Gupta AC; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Smith SA; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Rigaud B; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Brock KK; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Bates JE; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Meyers TG; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Paulino AC; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Peterson CB; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Kry SF; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Teepen JC; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Ronckers CM; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Neglia JP; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Leisenring WM; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Oeffinger KC; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Nathan PC; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Turcotte LM; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Hodgson DC; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Hudson MM; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Robison LL; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Moskowitz CS; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Armstrong GT; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Henderson TO; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Yasui Y; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX., Howell RM; Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Qi Liu, PhD, and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada; Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Susan A. Smith, MPH, and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA; Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX; Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX; Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands; Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA; Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC; Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada; Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN; David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada; Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN; Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY; Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; and Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX. |
