1 India EIS Trainee, India FETP, Indian Council of Medical Research - National Institute of Epidemiology; City Health Officer, Tiruchirappalli Corporation, Directorate of Public Health and Preventive Medicine, Chennai, Tamil Nadu, India.
2 Scientist B, Indian Council of Medical Research-National Institute of Epidemiology, Chennai, Tamil Nadu, India.
3 Scientist D, Mentor at India FETP, Indian Council of Medical Research-National Institute of Epidemiology, Chennai, Tamil Nadu, India.
4 Director, Directorate of Public Health and Preventive Medicine, Chennai, Tamil Nadu, India.