1. Department of Gastroenterology Ogaki Municipal Hospital Ogaki Japan
2. Department of Internal Medicine Japanese Red Cross Himeji Hospital Himeji Japan
3. Division of Gastroenterology and Hepatology, Department of Internal Medicine Kitasato University School of Medicine Sagamihara Japan
4. Gastroenterology Center Yokohama City University Medical Center Yokohama Japan
5. Department of Hepatology Kagawa Prefectural Central Hospital Takamatsu Japan
6. Gastroenterology Center Ehime Prefectural Central Hospital Matsuyama Japan
7. Division of Gastroenterology and Hepatology, Department of Internal Medicine Shinmatusdo Central General Hospital Matsudo Japan
8. Department of Gastroenterology Asahi General Hospital Asahi Japan
9. Department of Gastroenterology and Metabolism Nagoya City University, Graduate School of Medical Sciences Nagoya Japan
10. Division of Gastroenterology and Hepatology, Department of Internal Medicine Nippon Medical School Tokyo Japan
11. Department of Internal Medicine St. Marianna University School of Medicine Kawasaki Japan
12. Division of Gastroenterology and Hepatology, Department of Internal Medicine Otakanomori Hospital Kashiwa Japan
13. Department of Gastroenterology, Clinical Research Institute National Hospital Organization Kyushu Medical Center Fukuoka Japan
14. Center for Gastroenterology Teine Keijinkai Hospital Sapporo Japan
15. Division of Gastroenterology, Department of Internal Medicine Kikkoman General Hospital Noda Japan
16. Department of Hepatology Saiseikai Niigata Hospital Niigata Japan
17. Department of Nursing Gifu Kyoritsu University Ogaki Japan
18. Department of Gastroenterology and Hepatology Kumamoto University Faculty of Life Sciences Kumamoto Japan
19. Department of Epidemiology, Infectious Disease Control, and Prevention Hiroshima University Institute of Biomedical and Health Sciences Hiroshima Japan
20. Department of Medical Innovation Hiroshima University Institute of Biomedical and Health Sciences Hiroshima Japan