1. Department of Gastroenterology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
2. Department of Gastroenterology and Hepatobiliary Sciences, Institute of Medical Sciences and SUM Hospital, Siksha 'O' Anusandhan (SOA) University, Bhubaneswar, Odisha, India
3. Department of Hepatology, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India