[1] Sir Ganga Ram Hospital,Institute of Minimal Access, Metabolic and Bariatric Surgery
[2] Jagiellonian University,I Department of General Surgery
[3] Jagiellonian University,Department of Anatomy
[4] Jagiellonian University,II Department of General Surgery
[5] Sir Ganga Ram Hospital,Institute of Minimal Access, Metabolic & Bariatric Surgey
[6] Carolinas Medical Center,Department of GI and Minimally Invasive Surgery
[7] Moh,Department of Surgery
[8] Beilinson hospital,Ausl Umbria 2
[9] H. U. Virgen del Rocío,Department of Visceral Surgery
[10] Chirurgia Generale Foligno,undefined
[11] La Fe University Hospital,undefined
[12] CHU Robert Debré,undefined