1. Department of Emergency and Organ Transplantation, Azienda Ospedaliero-Universitaria, Bari, Italy.
2. Hepato-Biliary and Pancreatic Surgical Unit, IRCAD-IHU, Place de l'Hôpital, University of Strasbourg, Strasbourg, France.
3. Department of Digestive Surgery, Hepato-Pancreato-Biliary Surgery, and Liver Transplantation, Henri-Mondor Hospital, AP-HP, Créteil, France.
4. Biostatistics Department, Henri Mondor Hospital, Assistance Publique Hôpitaux de Paris, Créteil, France.
5. CEpiA EA7376, DHU Ageing-Thorax-Vessel-Blood, Université Paris Est (UPEC), Créteil, France.
6. Université Clermont Auvergne, INSERM, CHU Clermont-Ferrand, Service de Chirurgie Digestive, Clermont-Ferrand, France.
7. Service de Chirurgie Digestive, Endocrinienne, Oncologique et Transplantation Hépatique, CHRU, Tours, France.
8. Service de Chirurgie Générale, Digestive et Oncologique, Hôpital Européen George Pompidou, AP-HP, Assistance Publique-Hopitaux de Paris, Paris, France.
9. Department of General Surgery, Ospedale Regionale F. Miulli, Acquaviva delle Fonti, Italy.