1. Institute of Medical Sciences, University of Aberdeen, Scotland, UK
2. Department of Surgery, NHS Grampian, Scotland, Aberdeen, UK
3. Department of Surgery, CHU - St Pierre, Brussels, Belgium
4. Northwest Hepatobiliary Unit, Department of Surgery, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
5. Departement of General, Visceral, Cancer and Transplantation Surgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
6. Division of Hepatobiliary and Pancreas Surgery, Mayo Clinic Rochester, Rochester, USA
7. Hepatobiliary Surgery Division, San Raffaele Hospital, Milan, Italy
8. Department of Surgery, Makati Medical Center, Makati Metro Manila, Philippines
9. Department of Surgery, National Kidney & Transplant Institute, Quezon, Philippines
10. Department of Surgery, St Luke’s Medical Center, Quezon, Philippines
11. Moscow Clinical Scientific Center, Department of liver and pancreatic surgery and Transplantation, Russia
12. Department of HPB and Transplantation, Freeman Hospital, Newcastle upon Tyne, Newcastle, UK
13. Department of Surgery, Oxford University Hospital, Oxford, UK
14. Department of Surgery, Centre Hospitalier Régional Universitaire de Lille: Lille, Nord-Pas-de-Calais, Lille, France
15. Department of Surgical Oncology, Mauriziano Hospital, Turin, Italy
16. Division of Surgery, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
17. Department of Surgery, National Center for Global Health and Medicine (NCGM), Tokyo, Japan
18. Department of Surgery, The Ohio State University Wexner Medical Center, Ohio, USA
19. Surgical Unit, HPB Integrated Center of Care, Elite Integrated Centers of Excellence, Alexandria, Egypt