1. Division of Minimally Invasive Surgical Oncology, ASST Grande Ospedale Metropolitano Niguarda , Milan , Italy
2. Department of General Surgery, Istituto Ospedaliero Fondazione Poliambulanza , Brescia , Italy
3. Department of Surgery, Amsterdam UMC, University of Amsterdam, Cancer Centre Amsterdam , Amsterdam , the Netherlands
4. Department of Surgery, Pancreas Institute, Verona University Hospital , Verona , Italy
5. Intervention Centre and Department of Hepatopancreatobiliary Surgery, Oslo University Hospital and Institute of Medicine, University of Oslo , Oslo Norway
6. Department of Surgery, Cambridge University Hospitals NHS Foundation Trust , Cambridge , UK
7. Department of Surgery, University Hospital of Pisa , Pisa , Italy
8. Department of Surgery, Sant’Orsola Malpighi Hospital , Bologna , Italy
9. Department of Hepatopancreatobiliary Surgery and Liver Transplantation, Beaujon Hospital , Clichy , France
10. Department of Surgery, Freeman Hospital Newcastle upon Tyne , Newcastle upon Tyne , UK
11. Department of Surgery, Pederzoli Hospital , Peschiera , Italy
12. Department of Biomedical Sciences, Humanitas University , Pieve Emanuele , Italy
13. IRCCS Humanitas Research Hospital , Rozzano , Italy
14. Department of Surgery, Vall d’Hebron University Hospital , Barcelona , Spain
15. Department of Hepatopancreatobiliary Surgery, University Hospitals Birmingham NHS Foundation Trust , Birmingham , UK
16. Hepatopancreatobiliary and Liver Transplant Unit, Royal Free London , London , UK
17. Department of Surgery, Saint-Éloi Hospital , Montpellier , France
18. Department of Surgery in Linköping and Department of Biomedical and Clinical Sciences, Linköping University , Linköping , Sweden
19. Department of Surgery, Charité , Berlin , Germany
20. Department of Surgery, Oxford University Hospital , Oxford , UK
21. Department of Surgery, University Hospital del Mar , Barcelona , Spain
22. Department of Surgery, University Medical Centre Schleswig-Holstein , Campus Lübeck, Lübeck , Germany
23. Department of Surgery, Heidelberg University Hospital , Heidelberg , Germany
24. Department of Surgery, Erasmus Medical Centre , Rotterdam, the Netherlands
25. Department of Digestive and Hepatobiliary/Pancreatic Surgery, Groeninge Hospital , Kortrijk , Belgium
26. Division of Oncological and Robotic General Surgery, Careggi University Hospital , Florence , Italy
27. Division of Hepato-Biliary and Pancreatic Surgery, Nouvel Hôpital Civil, University Hospital, Institut Hospitalo-Universitaire de Strasbourg , Strasbourg , France
28. Department of Surgery, Fondazione IRCCS Policlinico San Matteo , Pavia , Italy
29. Department of Surgery, Morriston Hospital , Swansea , UK
30. General and Emergency Surgery Department, Azienda Ospedaliera Ospedali Riuniti Villa Sofia-Cervello , Palermo , Italy
31. General Surgery Department, Istituto Villa Salus , Siracusa , Italy
32. Department of Surgery, UMC Utrecht Cancer Centre, University Medical Centre Utrecht , Utrecht , the Netherlands
33. Department of Hepatopancreatobiliary Surgery, Royal London Hospital, Barts Health NHS Trust , London , UK