1 Department of Digestive, Minimally Invasive and Oncologic Surgery, University Hospital Center, Université de Montpellier-Nîmes, 641, avenue du Doyen-Gaston-Giraud, 34090 Montpellier, France.
2 Department of Digestive, Minimally Invasive and Oncologic Surgery, University Hospital Center, Université de Montpellier-Nîmes, 641, avenue du Doyen-Gaston-Giraud, 34090 Montpellier, France. Electronic address: fr-souche@chu-montpellier.fr.