1. Department of Internal Medicine St. Marianna University School of Medicine Kawasaki Japan
2. Department of Internal Medicine, Division of Gastroenterology and Hepatology Nippon Medical School Tokyo Japan
3. Department of Gastroenterology Ogaki Municipal Hospital Ogaki Japan
4. Department of Hepatology Kagawa Prefectural Central Hospital Takamatsu Japan
5. National Hospital Organization Kyushu Medical Center Fukuoka Japan
6. Department of Internal Medicine, Division of Gastroenterology and Hepatology Shinmatusdo Central General Hospital Matsudo Japan
7. Department of Internal Medicine, Division of Gastroenterology Nippon Medical School Chiba Hokusoh Hospital Inzai Japan
8. Department of Internal Medicine, Division of Gastroenterology and Hepatology Otakanomori Hospital Kashiwa Japan
9. Department of Internal Medicine, Division of Gastroenterology and Hepatology Tokyo Metropolitan Bokutoh Hospital Tokyo Japan
10. Department of Gastroenterology, Internal Medicine Kitasato University School of Medicine Kanagawa Japan
11. Department of Gastroenterology and Hepatology Takamatsu Red Cross Hospital Takamatsu Japan
12. Department of Internal Medicine, Division of Gastroenterology Kikkoman General Hospital Noda Japan
13. Ibaraki Medical Center Tokyo Medical University Ibaraki Japan
14. Second Department of Internal Medicine Osaka Medical College Osaka Japan
15. Department of Virology & Liver Unit, Graduate School of Medical Sciences Nagoya City University Aichi Japan
16. Core Research Facilities for Basic Science The Jikei University School of Medicine Tokyo Japan
17. Gastroenterology Center Ehime Prefectural Central Hospital Matsuyama Japan
18. Gastroenterological Center Yokohama City University Medical Center Kanagawa Japan
19. Department of Gastroenterology Juntendo Nerima University Hospital Tokyo Japan
20. Bantane Hospital Fujita Health University School of Medicine Nagoya Japan
21. Department of Gastroenterology Mitoyo General Hospital Kannonji Japan
22. Department of Gastroenterology and Hepatology The Jikei University School of Medicine Tokyo Japan
23. Department of Gastroenterology and Hepatology The Jikei University School of Medicine, Kashiwa Hospital Kashiwa Japan
24. Department of Internal Medicine, Division of Nephrology Nippon Medical School Tokyo Japan
25. Department of Internal Medicine Yashima General Hospital Takamatsu Japan
26. Shimo‐Ochiai Clinic Tokyo Japan