1. Gastroenterology Center Ehime Prefectural Central Hospital Matsuyama Japan
2. Department of Internal Medicine Japanese Red Cross Himeji Hospital Himeji Japan
3. Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Toon Japan
4. Department of Hepatology Okayama City Hospital Okayama Japan
5. Department of Gastroenterology and Hepatology Kagawa University Kagawa Japan
6. Division of Gastroenterology and Hepatology Department of Internal Medicine Nippon Medical School Tokyo Japan
7. Department of Hepatology Kagawa Prefectural Central Hospital Takamatsu Japan
8. Department of Gastroenterology Asahi General Hospital Asahi Japan
9. Department of Gastroenterology Osaka Medical and Pharmaceutical University Osaka Japan
10. Center of Gastroenterology Teine Keijinkai Hospital Sapporo Japan
11. Department of Gastroenterology Saiseikai Niigata Hospital Niigata Japan
12. Department of Gastroenterology Toyama University Hospital Toyama Japan
13. Hepato‐biliary Center Japanese Red Cross Matsuyama Hospital Matsuyama Japan
14. Department of Gastroenterology and Hepatology Ogaki Municipal Hospital Ogaki Japan
15. Department of Gastroenterology Japanese Red Cross Takamatsu Hospital Takamatsu Japan
16. Department of Gastroenterology and Hepatology Hyogo College of Medicine Nishinomiya Japan
17. Department of Gastroenterology Gunma Saiseikai Maebashi Hospital Gunma Japan
18. Department of Clinical Research National Hospital Organization Takasaki General Medical Center Takasaki Japan
19. Division of Gastroenterology and Hepatology Otakanomori Hospital Kashiwa Japan
20. Hepatology Division Department of Internal Medicine II Hamamatsu University School of Medicine Hamamatsu Japan
21. Department of Gastroenterology National Hospital Organization Takasaki General Medical Center Takasaki Japan
22. Department of Surgery Kansai Medical University Hirakata Japan
23. Department of Gastroenterology and Hepatology Kindai University Faculty of Medicine Osaka Japan
24. Department of Nursing Gifu Kyoritsu University Ogaki Japan