Affiliation: | 1. Department of Internal Medicine, Division of Gastroenterology, Nippon Medical School Chiba Hokusoh Hospital, Inzai, Japan;2. Department of Internal Medicine, Division of Gastroenterology and Hepatology, Nippon Medical School, Tokyo, Japan;3. Core Research Facilities for Basic Science, The Jikei University School of Medicine, Tokyo, Japan;4. Department of Internal Medicine, Division of Hepatology and Gastroenterology, Tokyo Medical University, Ibaraki Medical Center, Ibaraki, Japan;5. Department of Internal Medicine, Division of Gastroenterology and Hepatology, Otakanomori Hospital, Kashiwa, Japan;6. Department of Internal Medicine, Division of Gastroenterology and Hepatology, Shinmatsudo Central General Hospital, Matsudo, Japan;7. Department of Internal Medicine, Division of Gastroenterology, Kikkoman General Hospital, Noda, Japan;8. Department of Internal Medicine, Division of Gastroenterology and Hepatology, Tokyo Metropolitan Bokutoh Hospital, Tokyo, Japan;9. Department of Gastroenterology, Ogaki Municipal Hospital, Ogaki, Japan;10. Department of Virology and Liver Unit, Nagoya City University, Graduate School of Medical Sciences, Nagoya, Japan |