1. Tatsuo Kanda is Associate Professor of the Department of Gastroenterology and Nephrology at Chiba University, Graduate School of Medicine, Japan. He is interested in hepatology as well as virology of hepatitis viruses.
2. Osamu Yokosuka is Professor of the Department of Gastroenterology and Nephrology at Chiba University, Graduate School of Medicine. He was a President of the first Asian Pacific Association for the Study of the Liver Hepatitis C Virus Conference.
3. Masao Omata is Professor Emeritus of the Department of Gastroenterology, University of Tokyo, Japan. He has 1083 publications in English peer-reviewed journals on hepatitis viruses, hepatobiliary and gastrointestinal carcinoma, and Helicobacter pylori. The total impact factors and total citations of these articles are 5443 and 29,033 times, respectively, with an H-index count of 85 (by 25 August 2012).