| Authors: |
Master CL; Sports Medicine and Performance Center, Children's Hospital of Philadelphia, King of Prussia, PA 19406, USA; Center for Injury Research and Prevention, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA; Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA; Department of Orthopaedic Surgery, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA. Electronic address: MASTERC@chop.edu., Scheiman M; College of Health Sciences, Education, and Rehabilitation, Drexel University, Philadelphia, PA 19104, USA., Podolak OE; Center for Injury Research and Prevention, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA., Grady MF; Sports Medicine and Performance Center, Children's Hospital of Philadelphia, King of Prussia, PA 19406, USA; Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA., Howell DR; Children's Hospital Colorado Sports Medicine Center, Aurora, CO 80045, USA; Department of Orthopedics, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA. |