1. Department of Radiology, Apollo Hospitals, Chennai, Tamil Nadu, India
2. Department of Colorectal Surgery, Apollo Hospitals, Chennai, Tamil Nadu, India
3. Madras Medical College, Park Town, Chennai, Tamil Nadu, India
4. Department of Pathology, Apollo Hospitals, Chennai, Tamil Nadu, India
5. Department of Medical Gastroenterology, Apollo Hospitals, Chennai, Tamil Nadu, India
6. Department of Medical Oncology, Apollo Cancer Centre, Teynampet, Chennai, Tamil Nadu, India