1. Department of Surgical Gastroenterology, All India Institute of Medical Sciences (AIIMS), Bhopal, Madhya Pradesh, India
2. Department of Radiodiagnosis, All India Institute of Medical Sciences (AIIMS), Bhopal, Madhya Pradesh, India
3. Departments of Pathology and Laboratory Medicine, All India Institute of Medical Sciences (AIIMS), Bhopal, Madhya Pradesh, India