1Norwegian PSC Research Centre, Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
2Institute of Clinical Medicine, University of Oslo, Oslo, Norway
3Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
4Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
5Department of Infectious Diseases, Oslo University Hospital, Ullevål, Oslo, Norway
6Department of Microbiology, Oslo University Hospital, Ullevål, Oslo, Norway
7Department of Gastroenterology, Oslo University Hospital, Ullevål, Oslo, Norway
8Division of Pathology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
9Section of Gastroenterology, Department of Transplantation Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
10Department of Oncology, Oslo University Hospital, Oslo, Norway
Correspondence Johannes R. Hov Norwegian PSC Research Center Department of Transplantation Medicine Division of Surgery, Inflammatory Medicine and Transplantation Oslo University Hospital, Rikshospitalet Postboks 4950 Nydalen, N-0424 Oslo, Norway. Email: [email protected]