1 Digestive and Mini-invasive Surgery unit, Department of digestive surgery and transplantation, St Eloi Hospital, 80 avenue Augustin Fliche, 34295 Montpellier, France; 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 Digestive and Mini-invasive Surgery unit, Department of digestive surgery and transplantation, St Eloi Hospital, 80 avenue Augustin Fliche, 34295 Montpellier, France; Université de Montpellier-Nîmes, 641, avenue du Doyen-Gaston-Giraud, 34090 Montpellier, France.