1. School of Medicine, Vita-Salute San Raffaele University , Milan , Italy
2. Pancreas Translational and Clinical Research Centre, Pancreatic Surgery Unit, IRCCS San Raffaele Scientific Institute , Milan , Italy
3. Division of Gastroenterology and Centre for Autoimmune Liver Diseases, San Gerardo Hospital , Monza , Italy
4. Department of Medicine and Surgery, University of Milano-Bicocca , Monza , Italy
5. Department of Biomedical Sciences, Humanitas University , Pieve Emanuele, Milan , Italy
6. IRCCS Humanitas Research Hospital , Rozzano, Milan , Italy
7. Department of Medical Oncology, Paoli-Calmettes Institute , Marseille , France
8. Department of Surgery and Cancer Research Institute, Seoul National University College of Medicine , Seoul , Korea
9. General and Pancreatic Surgery Unit, Pancreas Institute, University of Verona Hospital Trust , Verona , Italy
10. Digestive Disease Unit, ENETS Centre of Excellence, Sant’ Andrea University Hospital , Rome , Italy
11. Department of Abdominal Surgery, University Medical Centre , Ljubijana , Slovenia
12. Osteoncology and Rare Tumours Centre (CDO-TR), IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) ‘Dino Amadori’ , Meldola , Italy
13. First Propaedeutic Department of Internal Medicine, National and Kapodistrian University of Athens , Athens , Greece
14. Department of Pancreatology, Hôpital Beaujon, University of Paris , Paris , France
15. Division of Gastrointestinal Surgery, IEO, European Institute of Oncology IRCCS , Milan , Italy
16. Gastrointestinal and Hepato-Pancreatic Surgery and Liver Transplantation Unit, Fondazione, IRCCS Istituto Nazionale Tumori (INT, National Cancer Institute) and Università degli Studi di Milano , Milan , Italy
17. ENETS Centre of Excellence, Neuroendocrine Tumour Unit, Royal Free Hospital , London , UK
18. Department of Hepatobiliary Surgery, Wessex NET Group ENETS Centre of Excellence, University Hospital Southampton , Southampton , UK
19. ARDEN NET Centre, ENETS Centre of Excellence, University Hospitals Coventry and Warwickshire NHS Trust and Warwick Medical School, University of Warwick , Coventry , UK
20. Kings Health Partners NET Centre, Kings College Hospital London , London , UK
21. Department of Oncology and Surgery (School of Clinical Sciences at Monash Health), Monash University , Clayton, Victoria , Australia
22. Department of Surgery, Pederzoli Hospital , Peschiera del Garda , Italy
23. Department of General, Visceral and Vascular Surgery, Salzkammergutklinikum Vöcklabruck , Vöcklabruck , Austria
24. Department of Biomedical Sciences and Human Oncology, University of Bari ‘Aldo Moro’ , Bari , Italy
25. Department of Surgery and Cancer, Imperial College London , London , UK
26. Division of General Surgery, University of Toronto , Toronto, Ontario , Canada
27. Department of Surgery, University Health Network, Princess Margaret Cancer Centre, University of Toronto , Toronto, Ontario , Canada
28. Department of Surgery, Johns Hopkins University School of Medical , Baltimore, Maryland , USA
29. Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich , Munich , Germany
30. Section Endocrine Surgery, Division of General Surgery, Department of Surgery, Medical University , Vienna , Austria
31. Endocrine Institute, Meir Medical Center , Kfar-Sava , Israel
32. Sackler Faculty of Medicine, Tel-Aviv University , Tel-Aviv , Israel
33. Department of Clinical Medicine and Surgery, University of Naples Federico II , Naples , Italy
34. Gastroenterology Unit, Department of Medical Sciences, City of Health and Science Hospital , Turin , Italy
35. Department of Digestive, Hepatobiliary and Endocrine Surgery, Paris Sorbonne University, Pitiè Salpétrière Hospital , Paris , France
36. Department of Visceral-, Thoracic- and Vascular Surgery, Section of Endocrine Surgery, University Hospital Marburg (UKGM) , Marburg , Germany
37. Hepatopancreatobiliary and Transplant Unit, Freeman Hospital , Newcastle upon Tyne , UK
38. National NET Centre and ENETS Centre of Excellence, St Vincent’s University Hospital , Dublin , Ireland
39. Hepato-Biliary-Pancreatic and Transplantation Centre, Curry Cabral Hospital, CHULC , Lisbon , Portugal
40. Department of Gastroenterology and Hepatology, University Medical Centre Ljubijana , Ljubljana , Slovenia
41. General and Oncological Surgery Unit, Morgagni-Pierantoni Hospital , Forlì , Italy
42. Warwick Medical School, University of Warwick , Coventry , UK
43. Department of Visceral, Transplantation and Thoracic Surgery, Medical University of Innsbruck , Innsbruck , Austria
44. Pancreatic Surgery Unit, Humanitas Clinical and Research Hospital—IRCCS , Rozzano, Milan , Italy