1. M.B.B.S., M.S. (Gen. Surg.), Senior Resident, Department of General Surgery, VMMC & Safdarjung Hospital, New Delhi.
2. M.B.B.S., M.S. (Gen. Surg.), Associate Professor, Department of General Surgery, VMMC & Safdarjung Hospital, New Delhi.
3. Post Graduate Student, Department of General Surgery, VMMC & Safdarjung Hospital, New Delhi.
4. Young Scientist (DST), Institute of Post-Graduate Medical Education and Research, A.J.C. Bose Road, Kolkata, West Bengal, India-700020.