G Donatini1,2, S Bakkar3, F Pattou4. 1. Department of General Surgery, University of Poitiers, CHU Poitiers, France. giacko76@hotmail.com. 2. ABS Lab, School of Medicine, University of Poitiers, Poitiers, France. giacko76@hotmail.com. 3. Department of Surgery, Faculty of Medicine, Hashemite University, Zarqa, 13133, Jordan. 4. Department of Metabolic and Endocrine Surgery, CHRU Lille, Lille, France.