1. Department of Gastroenterology; Ogaki Municipal Hospital; Gifu Japan
2. Department of Radiology; Kanazawa University Graduate School of Medical Sciences; Ishikawa Japan
3. Department of Surgery; Teikyo University School of Medicine; Tokyo Japan
4. Section of Hepato-Pancreato-Biliary Surgery; Washington University School of Medicine in St. Louis; St. Louis MO USA
5. Lewis Katz School of Medicine at Temple University; Philadelphia PA USA
6. Kanazawa University Hospital; Ishikawa Japan
7. Department of Endoscopy and Ultrasound; Kawasaki Medical School; Okayama Japan
8. Mt Elizabeth Novena Hospital Singapore and Yong Loo Lin School of Medicine; National University of Singapore; Singapore Singapore
9. Department of Gastroenterological Surgery; Fujita Health University School of Medicine; Aichi Japan
10. Division of General Surgery; Linkou Chang Gung Memorial Hospital; Taoyuan Taiwan
11. Department of Surgery; Cheng Hsin General Hospital; Taipei Taiwan
12. Department of Surgical Oncology; Lilavati Hospital and Research Centre; Mumbai India
13. Department of Gastroenterology and Hepatology; Tokyo Medical University Hospital; Tokyo Japan
14. Department of Surgery; Academic Medical Center; Amsterdam The Netherlands
15. Department of Surgery and Oncology; Graduate School of Medical Sciences; Kyushu University; Fukuoka Japan
16. General Surgery and Minimal Invasive Surgery “Taquini”; University of Buenos Aires; Buenos Aires Argentina
17. DAICIM Foundation; Buenos Aires Argentina
18. Department of Surgery; Show Chwan Memorial Hospital; Changhua Taiwan
19. Department of Gastroenterology; University of Ulsan College of Medicine; Seoul Korea
20. Department of Surgery; Center for Gastroenterology and Liver Disease; Kitakyushu City Yahata Hospital; Fukuoka Japan
21. Department of General and HPB Surgery; Loreto Nuovo Hospital; Naples Italy
22. First Department of Surgery; Agia Olga Hospital; Athens Greece
23. Surgery Centre; Department of Surgery; Hong Kong Sanatorium and Hospital; Hong Kong Hong Kong
24. Faculty of Medicine; The Chinese University of Hong Kong; Shatin Hong Kong
25. Department of Gastroenterological Surgery; Yokohama City University Graduate School of Medicine; Kanagawa Japan
26. Center for Global Health; Mito Kyodo General Hospital; University of Tsukuba; Ibaraki Japan
27. Department of Hemodialysis and Surgery; Ichikawa Hospital; International University of Health and Welfare; Chiba Japan
28. Department of EBM and Guidelines; Japan Council for Quality Health Care; Tokyo Japan
29. Department of Emergency Medicine; School of Medicine; University of Occupational and Environmental Health; Fukuoka Japan
30. Division of Gastroenterology and Hepatology; University of North Carolina at Chapel Hill; Chapel Hill NC USA
31. Department of Surgery, Hospital Italiano; University of Buenos Aires; Buenos Aires Argentina
32. Department of Surgery; The Chinese University of Hong Kong; Shatin Hong Kong
33. Department of Surgery; Yuan's General Hospital; Kaohsiung Taiwan
34. Department of Surgery; Seoul National University Bundang Hospital; Seoul National University College of Medicine; Seoul Korea
35. Department of Surgery; Konyang University Hospital; Daejeon Korea
36. Department of Surgery; Yonsei University Gangnam Severance Hospital; Seoul Korea
37. Department of Surgery; Institute of Gastroenterology; Tokyo Women's Medical University; Tokyo Japan
38. Oita University; Oita Japan
39. Department of Gastroenterolgical and Pediatric Surgery; Oita University; Faculty of Medicine; Oita Japan
40. Department of Surgery; Rush University Medical Center; Chicago USA
41. Surgical Gastroenterology /Hepatopancreatobiliary Unit; University of Cape Town and Groote Schuur Hospital; Cape Town South Africa
42. Department of Surgery; JR Sapporo Hospital; Hokkaido Japan
43. Toho University; Tokyo Japan
44. Department of Gastroenterology; Second Teaching Hospital; Fujita Health University; Aichi Japan