1. Department of Surgery and Oncology Graduate School of Medical Sciences Kyushu University Fukuoka Japan
2. Department of Gastrointestinal and Pediatric Surgery Tokyo Medical University Tokyo Japan
3. Division of Hepato‐Biliary‐Pancreatic Surgery Department of Surgery Kobe University Graduate School of Medicine Kobe Hyogo Japan
4. Department of Surgery Kansai Rosai Hospital Amagasaki Hyogo Japan
5. Department of Surgery Ogaki Municipal Hospital Ogaki Gifu Japan
6. Department of General, Pediatric and Hepato‐Biliary‐Pancreatic Surgery Kitasato University Hospital Sagamihara Kanagawa Japan
7. Department of Gastrointestinal and Hepato‐Biliary‐Pancreatic Surgery Nippon Medical School Tokyo Japan
8. Department of Surgery Kurashiki Central Hospital Kurashiki Okayama Japan
9. Department of Surgery Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital Tokyo Japan
10. Department of Surgery Oita Red Cross Hospital Oita Japan
11. Department of Surgery Otsu Red Cross Hospital Otsu Shiga Japan
12. Department of Hepatobiliary and Pancreatic Surgery Graduate School of Medicine Tokyo Medical and Dental University Tokyo Japan
13. Department of Hepatobiliary and Pancreatic Surgery National Cancer Center Hospital East Kashiwa Chiba Japan
14. Department of Surgery Kindai University Faculty of Medicine Osaka Japan
15. Department of Hepato‐Biliary‐Pancreatic Surgery Clinical Research Institute National Hospital Organization Kyushu Medical Center Fukuoka Japan
16. Department of Surgery Fujita Health University Toyoake Aichi Japan
17. Department of Surgery Okayama Saiseikai General Hospital Okayama Japan
18. Department of Surgery Tohoku University Graduate School of Medicine Sendai Miyagi Japan
19. First Department of Surgery Faculty of Medicine University of Yamanashi Kofu Yamanashi Japan
20. Department of Gastroenterological Surgery Cancer Institute Hospital Japanese Foundation for Cancer Research Tokyo Japan
21. Department of Surgery Hiroshima City Hiroshima Citizens Hospital Hiroshima Japan
22. Department of Surgery National Hospital Organization Kure Medical Center Chugoku Cancer Center Kure Hiroshima Japan
23. Division of Hepato‐Biliary‐Pancreatic Surgery and Transplantation Department of Surgery Graduate School of Medicine Kyoto University Kyoto Japan
24. Second Department of Surgery School of Medicine Wakayama Medical University Wakayama Japan
25. Department of Surgery Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
26. Department of Surgery Hokkaido P.W.F.A.C Sapporo Kosei General Hospital Sapporo Hokkaido Japan
27. Department of Surgery Osaka Saiseikai Nakatsu Hospital Osaka Japan
28. Department of Gastroenterological Surgery Graduate School of Medicine Osaka University Suita Osaka Japan
29. Department of Gastrointestinal and Hepato‐Biliary‐Pancreatic Surgery Faculty of Medicine University of Tsukuba Tsukuba Ibaraki Japan
30. Department of Gastroenterological Surgery Nagoya City University Graduate School of Medical Sciences Nagoya Aichi Japan
31. Department of Surgery Saiseikai Kumamoto Hospital Kumamoto Japan
32. Department of Hepato‐Biliary‐Pancreatic and Transplant Surgery Fukushima Medical University Fukushima Japan
33. Department of Gastroenterological and Pediatric Surgery Oita University Faculty of Medicine Yufu Oita Japan
34. Department of Surgical Oncology Osaka City University School of Medicine Osaka Japan
35. Department of Surgery Toyama Prefectural Central Hospital Toyama Japan
36. Department of Surgery Nara Medical University Kashihara, Nara Japan
37. Department of Gastroenterological Surgery Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Okayama Japan
38. Department of Hepatobiliary Pancreatic Surgery Osaka City General Hospital Osaka Japan
39. Department of General Surgery Graduate School of Medicine Chiba University Chiba Japan
40. Department of Gastroenterological Surgery Hirosaki University Graduate School of Medicine Hirosaki Aomori Japan
41. Department of Surgery Kurume University School of Medicine Kurume Fukuoka Japan
42. Department of Surgery Kyorin University School of Medicine Mitaka Tokyo Japan
43. Department of Gastroenterological Surgery Fukuyama City Hospital Fukuyama Hiroshima Japan
44. Division of General and Gastroenterological Surgery Department of Surgery Toho University School of Medicine Omori Tokyo Japan
45. Department of Surgery The Jikei University Kashiwa Hospital Kashiwa Chiba Japan
46. Department of Surgery Tokyo Metropolitan Bokutoh Hospital Tokyo Japan
47. Department of Surgery Faculty of Medicine Saga University Saga Japan
48. Department of Surgery Nagoya Daini Red Cross Hospital Nagoya Aichi Japan
49. Hepato‐Biliary‐Pancreatic Surgery Division and Artificial Organ and Transplantation Division Department of Surgery Graduate School of Medicine The University of Tokyo Tokyo Japan
50. Department of Digestive and General Surgery Shimane University Faculty of Medicine Izumo Shimane Japan
51. Department of Gastroenterological Surgery and Oncology Tazuke Kofukai Medical Research Institute Kitano Hospital Osaka Japan
52. Department of Surgery Center for Gastroenterology Urasoe General Hospital Urasoe Okinawa Japan
53. Department of Surgery Nara Prefecture General Medical Center Nara Japan
54. Department of Surgery Shin Koga Hospital Kurume Fukuoka Japan
55. Department of Surgery Saga Medical Center Koseikan Saga Japan
56. Department of Surgery Sakai City Medical Center Sakai Osaka Japan
57. Department of Gastroenterological Surgery Graduate School of Medical Sciences Kumamoto University Kumamoto Japan
58. Kitasato University Kitasato Institutional Hospital Sagamihara Kanagawa Japan
59. Japan Society for Endoscopic Surgery Tokyo Japan
60. Department of Surgery Institute of Gastroenterology Tokyo Women’s Medical University Tokyo Japan
61. Japanese Society of Hepato‐Biliary‐Pancreatic Surgery Tokyo Japan
62. Japanese Society for Endoscopic and Robotic Pancreatic Surgery Tokyo Japan