1. Department of Transplantation Medicine, Division of Surgery, Inflammatory Medicine and Transplantation, Norwegian PSC Research Centre, Oslo University Hospital Rikshospitalet, Oslo, Norway
2. Department of Medicine, Haraldsplass Deaconess Hospital, Bergen, Norway
3. National Centre for Ultrasound in Gastroenterology, Haukeland University Hospital, Bergen, Norway
4. Department of Medicine, Haukeland University Hospital, Bergen, Norway
5. Department of Clinical Science, University of Bergen, Bergen, Norway