Affiliation: | 1. Department of Surgery, Haukeland University Hospital, Bergen, Norway;2. Department of Clinical Medicine, University of Bergen, Bergen, Norway;3. Academic Department of Surgery, Queen Elizabeth Hospital, Edgbaston, Birmingham, UK;4. Department of Pathology, Haukeland University Hospital, Bergen, Norway;5. National Centre for Ultrasound in Gastroenterology, Department of Medicine, Haukeland University Hospital, Bergen, Norway;6. Department of Surgery A, Odense University Hospital, Svendborg, Denmark;7. Institute of Regional Health Science, University of Southern Denmark, Odense, Denmark |