1. Unit of General Surgery, CARE Department Henri Mondor University Hospital (AP‐HP) Créteil France
2. University of Paris Est, UPEC Créteil France
3. Department of General Surgery, Emergencies and New Technologies, Baggiovara Civil Hospital Modena Italy
4. Department of Surgery St. Vincent's University Hospital, Elm Park Dublin 4 Ireland
5. Unit of General Surgery, Department of Surgery University Hospital of Ferrara, University of Ferrara Ferrara Italy
6. University of Portsmouth Portsmouth UK
7. Department of Surgery and Cancer Imperial College London UK
8. General, Emergency and Trauma Surgery Department Pisa University Hospital Pisa Italy
9. Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital Cambridge Biomedical Campus Cambridge UK
10. Department of General Surgery University of Milan, ASST Fatebenefratelli Sacco Milan Italy
11. Department of Biomedical and Clinical Sciences ‘L. Sacco’ University of Milan, ASST Fatebenefratelli Sacco Milan Italy
12. Department of Digestive Oncologic and Metabolic Surgery, Institut Mutualiste Montsouris Paris Descartes University Paris France
13. Department of Surgical, Oncological and Oral Sciences (Di.Chir.On.S.) Paolo Giaccone University Hospital, University ofPalermo Palermo Italy
14. Department of General Surgery Università Politecnica Delle Marche Ancona Italy
15. Unit of Colorectal Surgery, Department of General and Digestive Surgery University Hospital Vall d'Hebron‐Universitat Autonoma de Barcelona Barcelona Spain
16. Liver Transplantation Unit, Department of Digestive Surgical Oncology University Hospital of Besançon Besançon France
17. Department of Digestive and Oncologic Surgery Hospital Nord, CHU Saint‐Etienne Saint‐Etienne France
18. Department of Digestive, Oncologic and Metabolic Surgery, Ambroise Paré Hospital AP‐HP, Paris Saclay University Boulogne‐Billancourt France
19. Department of Clinical Medicine and Surgery "Federico II" University of Naples Naples Italy
20. General Surgery Department Azienda Sanitaria Universitaria Friuli Centrale (ASU FC) Udine Italy
21. General and oncologic surgical unit, Policlinico San Martino Genoa Italy
22. Emergency Surgery Department IRCCS Azienda Ospedaliero‐Universitaria Di Bologna Bologna Italy
23. Groupe Hospitalier Diaconesses Croix Saint‐Simon Paris France
24. Faculté de Santé University Paris Cité Paris France
25. Colon and Rectal Surgery Unit University of Cagliari Cagliari Italy
26. San Donato Hospital General and Emergency Surgery Unit Arezzo Italy
27. Unit of Digestive and Urologic Surgery Groupe Hospitalier Nord‐Essonne Site de Longjumeau France
28. Division of Abdominal and Transplantation Surgery, Department of Surgery, Faculty of Medicine Geneva University Hospitals Geneva Switzerland