1. Department of Hepatobiliary and Pancreatic Surgery National Cancer Center Hospital Tokyo Japan
2. Department of Gastrointestinal and Pediatric Surgery Tokyo Medical University Tokyo Japan
3. Department of General Surgery Graduate School of Medicine Chiba University Chiba Japan
4. First Department of Surgery Kagoshima University School of Medicine Kagoshima Japan
5. Department of Surgery Istituto Ospedaliero Fondazione Poliambulanza Brescia Italy
6. Hepato‐Biliary and Pancreas Surgery Miami Cancer Institute Miami Florida USA
7. Division of General and Transplant Surgery Pisa University Hospital Pisa Italy
8. Department of Hepatopancreatobiliary and Transplant Surgery Singapore General Hospital Singapore City Singapore
9. Department of Surgery Johns Hopkins University School of Medicine Baltimore Maryland USA
10. Department of Surgery Institute of Gastroenterology Tokyo Women’s Medical University Tokyo Japan
11. Department of Surgery Seoul National University College of Medicine Seoul Korea
12. Department of Surgery Yonsei University College of Medicine Seoul Korea
13. Department of Surgery Mayo Clinic Rochester Minnesota USA
14. Department of Surgery Emory University School of Medicine Winship Cancer Institute Atlanta Georgia USA
15. Faculty of Hepato‐Pancreato‐Biliary Surgery Institute of Hepatobiliary Surgery of Chinese PLA Key Laboratory of Digital Hepatobiliary Surgery of Chinese PLA Chinese PLA General Hospital Beijing China
16. Department of Surgery Nippon Medical School Tokyo Japan
17. Department of Surgery and Oncology Graduate School of Medical Sciences Kyushu University Fukuoka Japan
18. Division of Gastrointestinal Surgery and Minimal Access Surgery GEM Hospital and Research Centre Coimbatore India
19. Department of Gastrointestinal and Hepato‐Pancreato‐Biliary Surgical Oncology Tata Memorial Centre Homi Bhabha National Institute Mumbai India
20. Division of Hepatobiliary‐Pancreatic Surgery and Transplantation Department of Surgery Kyoto University Graduate School of Medicine Kyoto Japan
21. Department of Surgery Pamela Youde Nethersole Eastern Hospital Hong Kong SAR China
22. Department of Surgery Taipei Veterans General Hospital and National Yang Ming Chiao Tung University Taipei Taiwan
23. Division of Hepatobiliary and Pancreas Surgery NYU Langone Health System NYU Grossman School of Medicine New York New York USA
24. Minimally Invasive Surgery Division Department of Surgery Faculty of Medicine Siriraj Hospital Mahidol University Bangkok Thailand
25. Department of Surgery Seoul National University Bundang Hospital Seoul National University College of Medicine Seoul Korea
26. Unit of Hepatobiliary Surgery and Liver Transplantation University Hospital Reina Sofía IMIBIC Cordoba Spain
27. Department of General Surgery and Liver Transplantation Service San Camillo Forlanini Hospital of Rome Rome Italy
28. Department of Medical Surgical Science and Translational Medicine Sapienza University of Rome Rome Italy
29. Department of Hepatobiliary and Pancreatic Surgery Graduate School of Medicine Tokyo Medical and Dental University Tokyo Japan
30. Kawasaki Medical School Okayama Japan
31. Department of Gastroenterological Surgery Yokohama City University Graduate School of Medicine Yokohama Japan
32. Department of Surgery Shimonoseki City Hospital Shimonoseki Japan
33. Second Department of Surgery Wakayama Medical University Wakayama Japan
34. Center for Advanced Treatment of Hepatobiliary and Pancreatic Diseases Ageo Central General Hospital Saitama Japan