1. Department of Oncology, Oslo University Hospital, Oslo, Norway
2. Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
3. Department of Pathology, Oslo University Hospital, Oslo, Norway
4. Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim, Norway
5. K.G. Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Oslo, Norway
6. Department of Gastrointestinal Surgery, Oslo University Hospital, Oslo, Norway
7. Department of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
8. Department of Molecular Oncology, Oslo University Hospital, Oslo, Norway
9. Department of Physics, University of Oslo, Oslo, Norway
10. Department of Medical Physics, Oslo University Hospital, Oslo, Norway