1. Department of Surgery, Oncology and Gastroenterology (DiSCOG) Hepatobiliary Surgery and Liver Transplantation Unit Padua University Hospital Padua Italy
2. Department of Transplantation Medicine Oslo universitetssykehus Rikshospitalet Oslo Norway
3. Institute of Clinical Medicine Oslo universitetssykehus Rikshospitalet Oslo Norway
4. Experimental Transplantation and Malignancy Research Group Division of Surgery, Inflammatory Diseases and Transplantation Oslo universitetssykehus Rikshospitalet Oslo Norway