1. General Surgery 2U and Liver Transplantation Center AOU Città della Salute e della Scienza di Torino; University of Turin; Turin Italy
2. Gastrointestinal Surgery and Liver Transplantation; Istituto Nazionale Tumori IRCCS; Milan Italy
3. Barcelona Clinic Liver Cancer Group Liver Unit, Hospital Clínic; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) University of Barcelona; Barcelona Spain
4. Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas; University of Barcelona; Barcelona Spain