1 Department of Digestive Surgery and Transplantation, University Hospital Center. Université de Montpellier- Nîmes, 641 avenue du Doyen Gaston Giraud, 34090 Montpellier, France; Division of General Surgery, Department of Medical and Surgical Sciences, Hospital of Cattinara, University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy. Electronic address: antoniocubisino@gmail.com.
2 Department of Digestive Surgery and Transplantation, University Hospital Center. Université de Montpellier- Nîmes, 641 avenue du Doyen Gaston Giraud, 34090 Montpellier, France.