1. Department of Community Medicine, Kalpana Chawla Government Medical College and Hospital, Karnal, India.
2. Department of Biostatistics, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India.
3. Department of Community Medicine, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India.
4. State Integrated Disease Surveillance Project (IDSP) Cell, Department of Health, Haryana, India.
5. Integrated Disease Surveillance Project (IDSP), Chandigarh Administration, Chandigarh, India.
6. Department of Community Medicine, School of Public Health, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India.