1. Division of Endocrinology, Diabetology, Hypertension and Nutrition; Department of Department of Medical Specialties; Geneva University Hospitals and Faculty of Medicine; Geneva Switzerland
2. Division of Abdominal and Transplantation Surgery; Department of Surgery; Geneva University Hospitals and Faculty of Medicine; University of Geneva; Geneva Switzerland
3. Hepato-Pancreato-Biliary Centre; Geneva University Hospitals and Faculty of Medicine; University of Geneva; Geneva Switzerland