1 Department of Hepatology, Christian Medical College, Vellore, 632 004, India.
2 Department of Gastroenterology, Christian Medical College, Vellore, A Block, 7th Floor, Ranipet Campus, Kilminnal, Ranipet, 632 517, India.
3 Wellcome Research Unit, Christian Medical College, Vellore, 632 004, India.
4 Department of Gastroenterology, Christian Medical College, Vellore, A Block, 7th Floor, Ranipet Campus, Kilminnal, Ranipet, 632 517, India. akdutta1995@gmail.com.