1. Department of Surgery Fukuyama City Hospital Hiroshima Japan
2. Department of Surgery and Transplantation Virgen de la Arrixaca University Hospital (IMIB‐Virgen de la Arrixaca) Murcia Spain
3. Department of General Surgery and Liver Transplantation Service San Camillo Forlanini Hospital of Rome Rome Italy
4. Unit of Hepatobiliary Surgery and Liver Transplantation University Hospital Reina Sofía IMIBIC Cordoba Spain
5. Department of Hepatobiliary and Pancreatic Surgery Graduate School of Medicine Tokyo Medical and Dental University Tokyo Japan
6. Department of Surgery Fukuoka University Chikushi Hospital Fukuoka Japan
7. Division of Hepato‐Biliary‐Pancreatic Surgery Department of Surgery Kobe University Hyogo Japan
8. Institute of Image‐Guided Surgery of Strasbourg Strasbourg France
9. Hepato‐Biliary‐Pancreatic Surgery Division Department of Surgery Graduate School of Medicine The University of Tokyo Tokyo Japan
10. Department of Surgery Institute of Gastroenterology Tokyo Women's Medical University Tokyo Japan
11. Division of General and Gastroenterological Surgery Department of Surgery Toho University Faculty of Medicine Tokyo Japan
12. Center for Liver and Pancreatobiliary Cancer National Cancer Center Gyeonggi‐do Korea
13. Center for Advanced Treatment of Hepatobiliary and Pancreatic Diseases Ageo Central General Hospital Saitama Japan