1. Division of Gastroenterology, Department of Medicine, Iwate Medical University
2. Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University
3. Department of Pediatrics, Juntendo University Faculty of Medicine
4. Department of Clinical Genetics, Juntendo University, Graduate School of Medicine
5. Division of Gastroenterology and Hepatology, Saitama Children's Medical Center
6. Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine
7. Department of Gastroenterology, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo
8. Department of Community Medicine for Gastroenterology and Oncology, Tokushima University Graduate School of Biomedical Sciences
9. Division of Diagnostic Pathology, National Cancer Center Hospital
10. Department of Endoscopy, Hiroshima University Hospital
11. Department of Surgery, Iwakuni Clinical Center
12. Division of Genetic Medicine, Graduate School of Science and Engineering Research, Kindai University
13. Department of Surgery 1, University of Occupational and Environmental Health
14. Department of Pediatric Surgery, Kurume University School of Medicine
15. Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine, Saga University
16. Department of Molecular-Targeting Prevention, Graduate School of Medical Science, Kyoto Prefectural University of Medicine
17. Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University
18. Intractable Disease Research Center, Graduate School of Medicine, Juntendo University
19. Endoscopy Division, National Cancer Center Hospital
20. Osaka International Cancer Institute
21. Cancer Treatment Center, Toyonaka Municipal Hospital
22. Department of Pediatric Surgery, Chuden Hospital
23. Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine
24. Department of Pediatrics, Shinshu University School of Medicine