1. Department of Pathology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
2. Department of Pathology and Lab Medicine, All India Institute of Medical Sciences, Raebareli, Uttar Pradesh, India
3. Department of Gastroenterology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
4. Department of Surgical Gastroenterology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India