1. 1Section for Transplantation Surgery, Department of Transplantation Medicine, Division of Cancer, Surgery and Transplantation, Oslo University Hospital, Oslo, Norway
2. 2Section for Gastroenterology, Department of Transplantation Medicine, Division of Cancer, Surgery and Transplantation, Oslo University Hospital, Rikshospitalet, Oslo, Norway
3. 3Research Institute of Internal Medicine and Norwegian PSC Research Centre, Division of Cancer, Surgery and Transplantation, Oslo University Hospital, Rikshospitalet, Oslo, Norway
4. 4Institute of Clinical Medicine, University of Oslo, Oslo, Norway
5. 5Department of Transplantation, Sahlgrenska Academy at University of Gothenburg and The Transplant Institute, Sahlgrenska University Hospital, Gothenburg, Sweden
6. 6Department of Surgical Gastroenterology and Liver Transplantation, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
7. 7Department of Gastroenterology and Hepatology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
8. 8Department of Transplantation and Liver Surgery, University Hospital, Helsinki, Finland
9. 9Department of Pediatrics, Oslo University Hospital Rikshospitalet, Oslo, Norway
10. 10Division of Transplantation Surgery, CLINTEC, Karolinska Institutet, Stockholm, Sweden
11. 11Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark