Ansul Gupta1, Anil C Anand2. 1. Department of Hepatology and Gastroenterology, Indraprastha Apollo Hospital, Sarita Vihar, New Delhi, 110 076, India. 2. Department of Hepatology and Gastroenterology, Indraprastha Apollo Hospital, Sarita Vihar, New Delhi, 110 076, India. anilcanand@yahoo.com.