1 Hepato-Biliary and Pancreatic Surgery Unit, Department of Surgery, Hospital Parc Salut Mar, Pompeu Fabra University, Barcelona, Spain. [email protected].
2 Unité des Maladies de l'Appareil Digestif et Endocrine, Centre Hospitalier de Luxembourg, Luxembourg, Luxembourg.
3 Hepato-Biliary and Pancreatic Surgery Unit, Department of Surgery, Hospital Parc Salut Mar, Pompeu Fabra University, Barcelona, Spain.