1. Transplantation and Liver Surgery Clinic; Helsinki University Hospital; Helsinki Finland
2. Department of Gastroenterology; Helsinki University Hospital; Helsinki Finland
3. Information Department; National Institute for Health and Welfare; Helsinki Finland
4. Nordic School of Public Health; Gothenburg Sweden
5. Section for Gastroenterology and Norwegian PSC Research Center, Division of Cancer Medicine, Surgery and Transplantation; Oslo University Hospital; Rikshospitalet Oslo Norway
6. Division of Transplantation Surgery; CLINTEC, Karolinska Institutet, Karolinska University Hospital; Huddinge Sweden
7. Section for Transplantation Surgery, Department of Transplantation Medicine, Division of Cancer Medicine, Surgery and Transplantation; Oslo University Hospital, and Faculty of Medicine, University of Oslo; Oslo Norway
8. Department of Surgical Gastroenterology and Liver Transplantation; Rigshospitalet University of Copenhagen; Copenhagen Denmark
9. Transplant Institute; Sahlgrenska University Hospital, and Sahlgrenska Academy, University of Gothenburg; Gothenburg Sweden
10. Centre for Digestive Diseases, Division of Hepatology, Karolinska University Hospital, Department of Medicine Huddinge; Karolinska Institutet; Sweden
11. Institute of Clinical Medicine; University of Oslo; Oslo Norway