1. The Department of Digestive and Oncologic Surgery Bicêtre Hospital, APHP, Paris–Sud, University Le Kremlin Bicêtre France
2. Faculté de Médecine Paris–Sud University Le Kremlin Bicêtre France
3. Department of Hepatobiliary and Pancreatic Surgery and Liver Transplantation Paul Brousse Hospital Villejuif France
4. The Department of Digestive Surgery and Transplantation Saint Eloi University Hospital Montpellier France
5. Department of General, Digestive, and Endocrine Surgery Nouvel Hôpital Civil Strasbourg France