1. Department of Hepato-Pancreato-Biliary Surgery, Oslo University Hospital, Oslo, Norway
2. Institute of Clinical Medicine, University of Oslo, Oslo, Norway
3. Intervention Centre, Oslo University Hospital, Oslo, Norway
4. Department of Radiology, Oslo University Hospital, Oslo, Norway
5. Department of Pathology, Oslo University Hospital, Oslo, Norway
6. Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway