1. Department of Oncology, Akershus University Hospital, Lørenskog, Norway
2. Institute of Clinical Medicine, University of Oslo, Oslo, Norway
3. Department of Tumor Biology, Oslo University Hospital, Oslo, Norway
4. Department of Clinical Molecular Biology, Akershus University Hospital, Lørenskog, Norway
5. Department of Pathology, Akershus University Hospital, Lørenskog, Norway
6. Department of Radiology, Akershus University Hospital, Lørenskog, Norway
7. Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
8. Department of Oncology, Sørlandet Hospital, Kristiansand, Norway
9. The Intervention Centre and Department of Hepato-Pancreato-Biliary Surgery, Oslo University Hospital, Oslo, Norway
10. Department of Research, Sørlandet Hospital, Kristiansand, Norway
11. Department of Oncology, St. Olav’s Hospital, Trondheim, Norway
12. Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
13. Department of Oncology, Oslo University Hospital, Oslo, Norway
14. Department of Oncology, Haukeland University Hospital, Bergen, Norway
15. Department of Clinical Science, University of Bergen, Bergen, Norway
16. Department of Microbiology, Oslo University Hospital, Oslo, Norway
17. Department of Gastroenterological Surgery, Oslo University Hospital, Oslo, Norway