1. Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitma Medical University
2. Department of Surgery, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital
3. Department of Surgery, Iwakuni Clinical Center
4. Department of Cancer Prevention and Molecular Genetics, Saitama Prefectural Cancer Center
5. Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Mie University Graduate School of Medicine
6. Department of Coloproctology, Aizu Medical Center, Fukushima Medical University
7. Department of Clinical Oncology, Institute of Development, Aging and Cancer, Tohoku University
8. Division of Pathology and Clinical Laboratories, National Cancer Center, Hospital
9. Department of Surgical Oncology, The Graduate School of Medicine, The University of Tokyo
10. Division of Gastroenterology, The Cancer Institute Hospital, Japanese Foundation for Cancer Research
11. Department of Surgery, Hyogo College of Medicine
12. Endoscopy Division/Department of Genetic Medicine and Service, National Cancer Center Hospital
13. Department of Surgery, Keio University School of Medicine
14. Department of Surgery, Institute for Clinical Research, National Hospital Organization Kure Medical Center and Chugoku Cancer Center
15. Department of Obstetrics and Gynecology, Keio University School of Medicine
16. Department of Surgery Saitama Medical Center, Jichi Medical University
17. Department of Oncology Nursing, Faculty of Nursing, Toho University
18. Department of Clinical Oncology, Aichi Cancer Center Hospital
19. Division of Molecular and Diagnostic Pathology, Graduate School of Medical and Dental Sciences, Niigata University
20. Department of Surgery, Teikyo University
21. Department of Radiation Oncology, National Cancer Center Hospital
22. Endoscopy Division, National Cancer Center Hospital
23. Division of Gastrointestinal Medical Oncology, National Cancer Center Hospital
24. Department of Translational Oncology, Tokyo Medical and Dental University Graduate School
25. Colorectal Surgery Division, National Cancer Center Hospital
26. Department of Gastroenterology, St. Mary's Hospital
27. Department of Colon and Rectal Surgery, Shizuoka Cancer Center
28. Hepato‐Pancreato‐Biliary Surgery Division, Artificial Organ and Transplantation Division, Department of Surgery, Graduate School of Medicine, University of Tokyo
29. Radiation Oncology Department, The Cancer Institute Hospital, Japanese Foundation for Cancer Research
30. Department of Clinical Oncology, St. Marianna University School of Medicine
31. Gastroenterology and Metabolism, Hiroshima University Hospital
32. Department of Surgery, Kyoto University
33. Department of Clinical Oncology, Faculty of Medicine, Kagawa University
34. Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine
35. Department of Surgery, National Defense Medical College
36. Division of Gastrointestinal Oncology, Shizuoka Cancer Center
37. Department of Hemodialysis and Surgery, Chemotherapy Research Institute, International University of Health and Welfare
38. Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East
39. Diagnostic Pathology Center, Shinko Hospital
40. Department of Surgery, Institute of Gastroenterology, Tokyo Women's Medical University
41. Department of Health Administration and Policy, Tohoku Medical and Pharmaceutical University
42. Department of Surgery, Cancer Center, Aomori Prefectural Central Hospital
43. Department of Surgery, Japanese Red Cross Kanazawa Hospital
44. CEO, Misawa City Hospital
45. Division of Clinical Oncology, Kochi Health Sciences Center
46. Department of Endoscopy, Hiroshima University Hospital
47. Division of GI Endoscopy, Kurume University School of Medicine
48. Department of Gastroenterological Surgery, The Cancer Institute Hospital, Japanese Foundation for Cancer Research
49. Koujinkai Daiichi Hospital