1. Department of Thoracic Surgery, Disease of the Esophagus and Lung Transplantation, North Hospital, Aix-Marseille University, Marseille, France
2. Department of Thoracic Surgery and Disease of the Esophagus, KUZ Gathuisberg, Leuven, Belgium
3. Department of Thoracic Surgery, University Hospital Vaudois, Lausanne, Switzerland
4. Department of Visceral Surgery, Rouen University Hospital, Rouen, France
5. Department of Visceral Surgery, ULB-Erasme-Bordet University Hospital, Brussels, Belgium
6. Department of Visceral and Endocrine Surgery, Bordeaux University Hospital, Bordeaux, France
7. Department of Visceral Surgery, Gustave Roussy Institute, Villejuif, France
8. Department of Visceral Surgery and Hepatic Transplantation, Montpellier University Hospital, Montpellier, France
9. Department of Hepato-Biliary and Visceral Surgery, Rennes University Hospital, Rennes, France
10. Department of Oncological Surgery, Oncologic Institute of the West (Institut de Cancérologie de l’Ouest), Nantes, France
11. Department of Visceral Surgery, Édouard-Heriot Hospital, Lyon, France
12. Department of Visceral and Endocrine Surgery, Hospices Civils de Lyon—South Hospital, Lyon, France
13. Department of General and Visceral Surgery, Purpan University Hospital, Toulouse, France
14. Department of General, Visceral and Endocrine Surgery, Dupuytren Hospital, Limoges, France
15. Department of Visceral Surgery—Colo-rectal Surgery Unit, Caen University Hospital, Caen, France
16. Department of Visceral Surgery, Brest University Hospital, Brest, France
17. Department of Surgery, Lorraine Oncologic Institute, Nancy, France
18. Department of Visceral and Oncological Surgery, Saint-Étienne University Hospital, Saint-Etienne, France
19. Department of General and Visceral Surgery, Lille University Hospital, Lille, France