1. Division of Gastroenterology Nippon Medical School Chiba Hokusoh Hospital Inzai Japan
2. Division of Gastroenterology and Hepatology Nippon Medical School Tokyo Japan
3. Core Research Facilities The Jikei University School of Medicine Tokyo Japan
4. Department of Gastroenterology and Hepatology Mie University School of Medicine Mie Japan
5. Department of Hepatology Kagawa Prefectural Central Hospital Takamatsu Japan
6. Department of Gastroenterology, Internal Medicine Kitasato University School of Medicine Sagamihara Kanagawa Japan
7. Department of Gastroenterology Juntendo University Nerima Hospital Tokyo Japan
8. Department of Gastroenterology and Hepatology St. Marianna University School of Medicine Kawasaki Japan
9. Department of Gastroenterology and Metabolism Nagoya City University Graduate School of Medical Sciences Nagoya Aichi Japan
10. Department of Internal Medicine Japanese Red Cross Society Himeji Hospital Himeji Hyogo Japan
11. Department of Gastroenterology and Hepatology School of Medicine Fujita Health University Toyoake Aichi Japan
12. Department of Gastroenterology Kagawa University Graduate School of Medicine Takamatsu Kagawa Japan
13. Department of Gastroenterology Saiseikai Niigata Hospital Niigata Japan
14. Division of Gastroenterology and Hepatology Department of Internal Medicine Tokai University School of Medicine Isehara Japan
15. Department of Clinical Laboratory and Endoscopy Tokyo Women's Medical University Adachi Medical Center Tokyo Japan
16. Division of Gastroenterology and Hepatology Shinmatusdo Central General Hospital Matsudo Japan
17. Hepatology Division Department of Internal Medicine II Hamamatsu University School of Medicine Hamamatsu Japan
18. Gastroenterological Center Yokohama City University Medical Center Yokohama Japan
19. Gastroenterology Center Ehime Prefectural Central Hospital Matsuyama Japan
20. Department of Gastroenterology Ogaki Municipal Hospital Ogaki Japan
21. Department of Digestive Surgery Nippon Medical School Musashikosugi Hospital Kawasaki Japan
22. Department of Gastrointestinal Hepato‐Biliary‐Pancreatic Surgery Nippon Medical School Hospital Tokyo Japan
23. Department of Gastroenterology and Hepatology Faculty of Life Sciences Kumamoto University Kumamoto Kumamoto Japan