Hepato-pancreato-biliary Surgery Section, General Surgery Service, Clínica Universitaria Reina Fabiola, Córdoba, Argentina. General Surgery Service, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina.
Department of Surgery, Alma Mater Studiorum University of Bologna, Italy.
Department of Surgery , Director of Surgery and emergency, Ospedale Maggiore, Bologna Italy.
Center for Advanced Laparoscopic General and Bariatric Surgery, MedStar Washington Hospital Center and Georgetown University School of Medicine, Washington, DC, USA.