1. Department of Gastroenterology, Second Teaching Hospital, Fujita Health University
2. Division of Gastroenterology, Tohoku University Graduate School of Medicine
3. Division of Gastroenterology and Hepatology, Toho University Omori Medical Center
4. Department of Community-based Medical Education, Nagoya City University Graduate School of Medical Sciences
5. Department of General Internal Medicine, Hiroshima University Graduate School of Medical Science
6. Department of Surgery, Kyorin University School of Medicine
7. Department of Surgery, Kindai University School of Medicine
8. Department of Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine
9. Department of Gastroenterology, Nagoya Municipal University
10. Department of Gastroenterology, Fujita General Hospital
11. Department of Gastroenterology, Shinshu University
12. Department of Gastroenterology, Gifu Municipal Hospital
13. Division of Gastroenterology and Hepatology, Toho University Ohashi Medical Center
14. Department of Gastroenterology, Showa University Fujigaoka Hospital
15. Department of Gastroenterology and Metabolism, Hiroshima University Hospital
16. Department of Gastroenterology, Fukuoka University Chikushi Hospital
17. Division of Gastroenterology and Hepatology, Japan Community Health care Organization (JCHO) Hokkaido Hospital
18. Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo
19. Shimane University Hospital Cancer Center
20. The Japanese Red Cross Nagasaki Genbaku Hospital
21. Department of Gastroenterology, Oita University
22. Department of Hepato-Biliary-Pancreas Surgery, Miyazaki University
23. Department of Gastroenterology, Iwate Medical University
24. Department of Gastroenterology, Iwate Prefectural Central Hospital
25. Department of Gastroenterology, NHO Mie Chuo Medical Center
26. Department of Endoscopy, Nagoya University Hospital
27. Department of Gastroenterology and Hepatology, National Hospital Organization Fukuoka-higashi Medical Center
28. Konankosei Hospital
29. Division of Hepatobiliary and Pancreatic Diseases, Department of Internal Medicine, Hyogo College of Medicine
30. Digestive Disease Center, Kitano Hospital
31. Ina Central Hospital
32. Departments of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University