1. Department of Digestive Surgery and Surgical Oncology, Hôpital Avicenne, Assistance Publique – Hôpitaux de Paris, Bobigny, France.
2. Department of Digestive Disease, Oncologic and Metabolic Surgery Institut Mutualiste Montsouris, Paris, France.
3. Université Paris Descartes, Paris, France.
4. Department of Hepatic, Pancreatic and Biliary Surgery – Hôpital Paul Brousse, Assistance Publique – Hôpitaux de Paris, Villejuif, France.
5. HPB Surgery and Liver Transplantation, Nice, France.
6. Dipartimento di Scienze Chirurgiche, Università degli Studi di Parma, Parma, Italy.
7. Department of Digestive Surgery – Assistance Publique – Hôpitaux de Paris Hôpital Antoine Béclère, Université Paris Sud, Clamart, France.