1. Department of Pathology, St. Olav’s Hospital, Trondheim University Hospital, Trondheim, Norway
2. Department of Cancer Research and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
3. Department of Laboratory Medicine, Children’s and Woman’s Health, Norwegian University of Science and Technology, Trondheim, Norway
4. Department of Gastroenterology and Hepatology, St. Olav’s Hospital, Trondheim University Hospital, Trondheim, Norway