1. Department of Community Medicine, Tezpur Medical College and Hospital, Assam, India
2. Department of Community Medicine, Vardhaman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
3. Department of Microbiology, Apex Regional STD Centre and State Reference Laboratory for HIV, Vardhaman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
4. Department of Obstetrics and Gynaecology, Vardhaman Mahavir Medical College and Safdarjung Hospital, New Delhi, India