1. Department of General Surgery, SMT. NHL Municipal Medical College, Ahmedabad, Gujarat, India.
2. Department of General Surgery, Sri Ram MurtiSmarak Institute of Medical Sciences, Bareilly, Uttar Pradesh, India.
3. Department of General Surgery, Kakatiya Medical College, RangamPeta, Warangal, Telangana, India.
4. Department of General Surgery, Nilratan Sircar Medical College and Hospital, Kolkata, West Bengal, India.