1 Department of Minimal Access & Bariatric Surgery, ILS Hospitals, DD-6, Sector 1, Salt Lake City, Kolkata, West Bengal, 700064, India.
2 Department of Minimal Access & Bariatric Surgery, ILS Hospitals, DD-6, Sector 1, Salt Lake City, Kolkata, West Bengal, 700064, India. omtantia@gmail.com.