1. Department of General Surgery, Istituto Ospedaliero Fondazione Poliambulanza, Brescia, Italy
2. Amsterdam UMC, location University of Amsterdam, Department of Surgery, Amsterdam, the Netherlands
3. Cancer Center Amsterdam, the Netherlands
4. Division of General and Transplant Surgery, University of Pisa, Pisa, Italy
5. Department of HPB surgery and liver transplantation, AP-HP, Beaujon Hospital, DMU DIGEST, Clichy, France
6. The Intervention Centre, Department of Hepato-Pancreato-Biliary Surgery, Oslo University Hospital and Institute of Medicine, Oslo University, Oslo, Norway
7. Clinic for Surgery, University of Schleswig-Holstein Campus Lübeck, Lübeck, Germany
8. Department of Surgery, Moscow Clinical Scientific Center, Moscow, Russia
9. Department of Surgery, University Hospitals Coventry and Warwickshire, West Midlands, UK
10. Department of Surgery, Salmanyia Medical Complex, Manama, Bahrain
11. Department of Surgery, University of California - San Francisco, San Francisco, California
12. Department of General & Minimally Invasive Surgery (Laparoscopy & Robotic), Centre Hospitalier de Luxembourg, Luxembourg, Luxembourg
13. Department of Surgery in Linköping and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
14. Department of General Surgery, Bayindir Sogutozu Hospital, Ankara, Turkey
15. Department of Digestive and Hepatobiliary/Pancreatic Surgery, Groeninge Hospital, Kortrijk, Belgium
16. Department of Hepato-Pancreato-Biliary Surgery, Hospital Germans Trias i Pujol, Barcelona, Spain
17. Department of Surgery, Pancreas Institute, Verona University Hospital, Verona, Italy
18. Division of Minimally invasive Surgical Oncology, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy
19. Department of Surgery, Erasmus MC Cancer Institute, Rotterdam, Netherlands
20. Department of Visceral Surgery, Centre Hospitalier Intercommunal de Poissy/Saint-Germain-en-Laye, Poissy, France
21. Department of Surgery, Northshore University HealthSystem, Chicago, Illinois
22. Department of Oncologic Surgery, Casa di Cura Cobellis, Vallo Della Lucania, Salerno, Italy
23. Hepato-Biliary and Pancreatic Surgery Unit, Hospital del Mar, Barcelona, Spain
24. Department of Abdominal and General Surgery, University Medical Center Maribor, Maribor, Slovenia
25. Departments of Surgery and Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
26. Faculty of Hepatopancreatobiliary Surgery, The First Medical Center of Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China
27. Department of Surgery, Catharina Hospital, Eindhoven, the Netherlands
28. Institute of Liver Studies, King’s College Hospital, London, UK
29. Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
30. Department of Hepatobiliary, Pancreatic, and Digestive Oncological Surgery, Robert Debré University Hospital, Reims, France
31. Department of Surgery, Centre Hospitalier Regional Orleans, Orleans, France
32. Department of HPB and Liver Transplant Surgery, The Freeman Hospital, Newcastle, United Kingdom
33. Department of Surgery, Seoul National University Bundang Hospital, Seoul, Korea
34. Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, MI, Italy and IRCCS Humanitas Research Hospital, Rozzano, Italy
35. Department of General and HPB Surgery and Liver Transplantation, Ghent University Hospital, Ghent, Belgium
36. Surgery Department, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico, Mexico
37. Department of Abdominal Surgery, AC Camargo Cancer Center, São Paulo, Brazil
38. Department of Surgery, St. Vincent’s University Hospital Dublin, Ireland
39. Southampton Clinical Trials Unit, University Hospital Southampton, Southampton, UK
40. Department of Surgery, AGIA OLGA Hospital, Athens, Greece
41. Pancreas Translational & Clinical Research Center, San Raffaele IRCCS, Università Vita-Salute, Milan, Italy
42. Unit of Statistics, Istituto Ospedaliero Fondazione Poliambulanza, Brescia, Italy
43. Department of HPB Surgery, Pederzoli Hospital, Peschiera del Garda, Italy
44. HPB & Liver Transplant Unit, Royal Free London, London, UK
45. Department of Surgery and Transplantation, Swiss HPB Center, University Hospital Zurich, Switzerland
46. Department of Abdominal and Transplant Surgery, Cleveland Clinic Florida, Weston, Florida
47. Department of Surgery, University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
48. Department of HPB Surgery and Liver Transplantation, Hospital of Beaujon, Paris, France
49. HPB Surgical Division, Miguel Servet University Hospital, Zaragoza, Spain
50. Department of Surgery, King Hussein Medical Center, Amman, Jordan
51. Division of General Surgery and Liver Transplantation, S. Camillo Forlanini Hospital, Rome, Italy
52. The Intervention Centre, Oslo University Hospital, Oslo, Norway
53. Department of Research & Development, Division of Emergencies and Critical Care, Oslo University Hospital, Oslo, Norway
54. Department of Surgery N1, Yerevan State Medical University, Yerevan, Armenia
55. Department of Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
56. Department of General Surgery, “Sant’Andrea” Hospital La Spezia, La Spezia, Italy
57. Hepatopancreatobiliary Surgery and Liver Transplant Unit, University of Modena and Reggio Emilia, Modena, Italy
58. Alma Mater Studiorum, University of Bologna, AOU Sant’Orsola Malpighi, IRCCS at Maggiore Hospital, Bologna, Italy
59. Department of Hepato-Pancreatic-Biliary Surgery, Miulli Hospital, Bari, Italy
60. Department of Clinical and Experimental Sciences, Surgical Clinic, University of Brescia, Italy
61. Department of Surgery, General and Hepatobiliary Surgery, University Hospital G.B. Rossi, University and Hospital Trust of Verona, Verona, Italy
62. Hepatobiliary and Pancreatic Surgery Unit, Manchester University NHS FT, Manchester, UK
63. Hepato-Biliary and Pancreas Surgery, Miami Cancer Institute, Miami, Florida, USA