1. Center for Liver‐Biliary‐Pancreatic Disease Matsuyama Red Cross Hospital Ehime Japan
2. Department of Gastroenterology and Hepatology Musashino Red Cross Hospital Tokyo Japan
3. Department of Gastroenterology and Hepatology Osaka Red Cross Hospital Osaka Japan
4. Department of Gastroenterology Matsue Red Cross Hospital Shimane Japan
5. Department of Gastroenterology Japanese Red Cross Kyoto Daiichi Hospital Kyoto Japan
6. Department of Hepatology Japanese Red Cross Ise Hospital Mie Japan
7. Department of Gastroenterology Japanese Red Cross Medical Center Tokyo Japan
8. Department of Gastroenterology Omori Red Cross Hospital Tokyo Japan
9. Department of Gastroenterology Ishinomaki Red Cross Hospital Miyagi Japan
10. Department of Gastroenterology Otsu Red Cross Hospital Shiga Japan
11. Department of Gastroenterology Hiroshima Red Cross Hospital & Atomic‐bomb Survivors Hospital Hiroshima Japan
12. Department of Internal Medicine Japanese Red Cross Tottori Hospital Tottori Japan
13. Department of Gastroenterology Japanese Red Cross Asahikawa Hospital Hokkaido Japan
14. Department of Gastroenterology Japanese Red Cross Nagoya Daini Hospital Nagoya Aichi Japan
15. Hepatology Division Japanese Red Cross Fukuoka Hospital Fukuoka Japan
16. Department of Gastroenterology Masuda Red Cross Hospital Shimane Japan
17. Department of Gastroenterology Japanese Red Cross Okayama Hospital Okayama Japan
18. Department of Gastroenterology Takamatsu Red Cross Hospital Kagawa Japan
19. Department of Internal Medicine Karatsu Red Cross Hospital Saga Japan
20. Department of Gastroenterology Maebashi Red Cross Hospital Gunma Japan
21. Department of Gastroenterology Toyama Red Cross Hospital Toyama Japan
22. Department of Gastroenterology Japanese Red Cross Nagasaki Genbaku Hospital Nagasaki Japan
23. Department of Gastroenterology Tokushima Red Cross Hospital Tokushima Japan