1. Department of Gastroenterology Gunma Saiseikai Maebashi Hospital Maebashi Japan
2. Gastroenterology Center Ehime Prefectural Central Hospital Matsuyama Japan
3. Department of Internal Medicine Japanese Red Cross Himeji Hospital Himeji Japan
4. Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Ehime Japan
5. Department of Gastroenterology Okayama City Hospital Okayama Japan
6. Department of Gastroenterology and Hepatology Kagawa University Kagawa Japan
7. Division of Gastroenterology and Hepatology Department of Internal Medicine Nippon Medical School Tokyo Japan
8. Department of Hepatology Kagawa Prefectural Central Hospital Takamatsu Japan
9. Department of Gastroenterology Asahi General Hospital Asahi Japan
10. Premier Departmental Research of Medicine Osaka Medical and Pharmaceutical University Takatsuki Japan
11. Center of Gastroenterology Teine Keijinkai Hospital Sapporo Japan
12. Department of Gastroenterology Saiseikai Niigata Hospital Niigata Japan
13. Department of Gastroenterology Toyama University Hospital Toyama Japan
14. Center for Liver‐Biliary‐Pancreatic Disease Matsuyama Red Cross Hospital Matsuyama Japan
15. Department of Gastroenterology and Hepatology Ogaki Municipal Hospital Ogaki Japan
16. Department of Gastroenterology Japanese Red Cross Takamatsu Hospital Takamatsu Japan
17. Department of Internal Medicine Division of Gastroenterology and Hepatology Hyogo College of Medicine Nishinomiya 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 Nursing Gifu Kyoritsu University Ogaki Japan