1 Department of General and Digestive Surgery, Saint Antoine Hospital, Assistance Publique des Hôpitaux de Paris (APHP), University of Paris 6, France.
2 General and digestive surgery department, Louis Mourier Hospital, Assistance Publique Hôpitaux de Paris (APHP), University of Paris, France.
3 Service de chirurgie digestive, hépato-bilio-pancréatique et transplantation, Pitié-Salpétrière Hospital, Assistance Publique Hôpitaux de Paris (APHP), University of Paris 6, France.
4 Department of digestive, hepato-bilio-pancreatic and transplantation surgery, Beaujon Hospital, Paris, Assistance Publique Hôpitaux de Paris, (APHP), University of Paris, France.
5 Department of digestive surgery, Européen Georges Pompidou Hospital, Assistance Publique Hôpitaux de Paris (APHP), University of Paris, France.
6 Hepatobiliary Center, Paul Brousse Hospital, Assistance Publique des Hôpitaux de Paris (APHP), University of Paris 11, France.
7 Department of General, Digestive and Endocrine Surgery, Saint-Louis Hospital, Assistance Publique des Hôpitaux de Paris (APHP), University of Paris, France.
8 Department of Digestive and Endocrine Surgery, CHU Nantes, University of Nantes, France.
9 Department of Visceral, Digestive and Cancer Surgery, CHRU Besançon, University of Franche-Comté, France.
10 Department of General, Digestive and Endocrine Surgery, Saint-Louis Hospital, Assistance Publique des Hôpitaux de Paris (APHP), University of Paris, France. Electronic address: [email protected].