1. Department of Physiology, Vardhman Mahavir Medical College and Safdarjung Hospital, Ansari Nagar, New Delhi, Delhi, India,
2. Department of Obstetrics and Gynaecology Vardhman Mahavir Medical College and Safdarjung Hospital, Ansari Nagar, New Delhi, Delhi, India,
3. Department of Microbiology, Vardhman Mahavir Medical College and Safdarjung Hospital, Ansari Nagar, New Delhi, Delhi, India,