1 Hepato-Pancreato-Biliary Surgery and Liver Transplantation Unit, University Hospital of Modena "Policlinico," University of Modena and Reggio Emilia, Modena, Italy. fabrizio.dibenedetto@unimore.it.
2 Hepato-Pancreato-Biliary Surgery and Liver Transplantation Unit, University Hospital of Modena "Policlinico," University of Modena and Reggio Emilia, Modena, Italy.