1. Department of Surgery, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, the Netherlands
2. Department of Radiology, St Antonius Hospital, Nieuwegein, the Netherlands
3. Department of Surgery, Erasmus University Medical Center, Rotterdam, the Netherlands
4. Department of Surgery, University Hospital Southampton National Health Service, Southampton, Hampshire, United Kingdom
5. Department of General Surgery, Istituto Ospedaliero Fondazione Poliambulanza, Brescia, Italy
6. Department of Surgery, Virginia Mason Medical Center, Seattle, Washington
7. Department of Surgery, University of California at San Francisco, San Francisco
8. Department of General and Pancreatic Surgery, The Pancreas Institute, University of Verona Hospital Trust, Verona, Italy
9. Pancreatic Surgery, Pancreas Translational & Clinical Research Center, San Raffaele Hospital, Milan, Italy
10. Department of General and Hepatobiliary Surgery, Gent University Hospital, Gent, Belgium
11. Department of Surgery, Pederzoli Hospital, Peschiera, Italy
12. Department of Surgery, University of Colorado Hospital, Aurora
13. Department of Surgery, Trinity College Dublin, Trinity Centre for Health Sciences, Dublin, Ireland
14. Hepatobiliary Surgery and Liver Transplantation Unit, Royal Free Hospital, London, United Kingdom
15. Department of Digestive and Hepatobiliary Surgery–Liver Transplantation, University Hospital of Clermont-Ferrand, Clermont-Ferrand, France
16. Department of Surgery, Clermont-Auvergne University, Clermont-Ferrand, France
17. Department of General, Visceral and Transplantation Surgery, Universitätsklinikum Heidelberg, Heidelberg, Germany
18. Department of Surgery, Karolinska Institutet, Stockholm, Sweden
19. Department of Hepato-Pancreato-Biliary Surgery, Oslo University Hospital, Oslo, Norway
20. General Surgery Department, Azienda Ospedaliera, Ospedali Riuniti Villa Sofia-Cervello, Palermo, Italy
21. Department of General Surgery, Hospital Universitario Marques de Valdecilla, Santander, Spain
22. Department of Surgery, Odense Pancreas Center, Odense University Hospital, Odense, Denmark
23. Department of Surgery, Charles University and Central Military Hospital, Prague, Czech Republic
24. Department of Digestive Surgery and Liver Transplantation, Croix Rousse University Hospital, Hospices Civils de Lyon, University of Lyon, Lyon, France
25. Department of Surgery, Universitaet zu Luebeck, Luebeck, Germany
26. Department of Visceral, Vascular and Endocrine Surgery, Martin Luther University Halle-Wittenberg, Halle, Germany
27. Department of Surgery, University Hospital Birmingham, Birmingham, United Kingdom
28. Department of Medical Oncology, Odense University Hospital, Odense, Denmark
29. Department of Hepato-Biliary-Pancreatic Surgery, Liver Transplant Center, Paul Brousse Hospital, Université Paris-Sud, Université Paris-Saclay, Villejuif, France
30. Department of Gastroenterological Surgery, Helsinki University Hospital, Helsinki, Finland
31. Department of Clinical Epidemiology, Amsterdam University Medical Center, University of Amsterdam, the Netherlands
32. Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, the Netherlands