1. Division of Gastrointestinal Sciences, Wellcome Trust Research Laboratory, Vellore, Tamil Nadu, India
2. Department of Pathology, Christian Medical College, Vellore, Tamil Nadu, India
3. Department of Clinical Biochemistry, Christian Medical College, Vellore, Tamil Nadu, India
4. Department of Hepatology, Christian Medical College, Vellore, Tamil Nadu, India
5. Department of Pathology, SRM Institutes for Medical Science, Chennai, Tamil Nadu, India