Daniel Azoulay1,2, Chetana Lim3. 1. Centre Hépato-Biliaire, Department of Hepatobiliary and Pancreatic Surgery and Transplantation, Paul Brousse Hospital, Assistance Publique-Hôpitaux de Paris, Université Paris-Sud, Villejuif, France. 2. Department of Hepatobiliary and Pancreatic Surgery and Transplantation, Sheba Medical Center, Faculty of Medicine Tel Aviv University, Tel Aviv, Israel. 3. Department of Hepatobiliary and Pancreatic Surgery and Transplantation, Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France.