| Authors: |
Rao SR; National Institute of Epidemiology, Division of Non Communicable Diseases, Chennai, Tamil Nadu 600 077, India., Chitra GA; Department of Epidemiology, Global Institute of Public Health, Ananthapuri Hospitals and Research Institute, Chacka, Thiruvananthapuram, Kerala 695024, India., Elavarasu G; National Institute of Epidemiology, Division of Non Communicable Diseases, Chennai, Tamil Nadu 600 077, India., Kamaraj P; National Institute of Epidemiology, Division of Non Communicable Diseases, Chennai, Tamil Nadu 600 077, India., Kaliaperumal K; National Institute of Epidemiology, Division of Non Communicable Diseases, Chennai, Tamil Nadu 600 077, India., Kaur P; National Institute of Epidemiology, Division of Non Communicable Diseases, Chennai, Tamil Nadu 600 077, India. |