1Department of Clinical Science, University of Bergen Faculty of Medicine and Dentistry, Bergen, Norway
2Haukeland University Hospital, National Centre for Ultrasound in Gastroenterology, Bergen, Norway
3Department of Medicine, Haraldsplass Deaconess Hospital Bergen, Norway
4Norwegian PSC Research Center (NoPSC), Division of Surgery, Inflammatory medicine and transplantation, Oslo Universitetssykehus Rikshospitalet, Oslo, Norway
5Department of Clinical Medicine, Haukeland University Hospital, National Centre for Ultrasound in Gastroenterology, Bergen, Norway
✉Correspondence Dr. Anders Batman Mjelle Haukeland Universitetssjukehus, Pediatric and Adolescent, Medicine, Jonas Lies vei 65, 5021 Bergen, Norway, Phone: +4755975000, FAX: +4755975147, Email: abmjelle@gmail.com
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