1. Section for Colorectal Cancer Screening Cancer Registry of Norway Oslo Norway
2. Department of Research Cancer Registry of Norway Oslo Norway
3. Department of Research and Development Telemark Hospital Trust Skien Norway
4. Institute of Clinical Medicine University of Oslo Oslo Norway
5. Department of Medicine Sørlandet Hospital Kristiansand Norway
6. Institute for Health and Society University of Oslo Oslo Norway
7. Department of Medicine Sahlgrenska University Hospital‐Mölndal Region Västra Götaland Sweden
8. Department of Molecular and Clinical Medicine, Sahlgrenska Academy University of Gothenburg Sweden
9. Department of Medical Research Bærum Hospital Gjettum Norway
10. Faculty of Medicine University of Oslo Oslo Norway
11. Department of Research and Innovation Vestfold Hospital Tønsberg Norway
12. Department of Health Management and Health Economics Institute of Health and Society, University of Oslo Oslo Norway
13. Norwegian Institute of Public Health Oslo Norway
14. Regional Center for Child and Adolescent Mental Health (RBUP) Oslo Norway
15. Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Norwegian PSC Research Center Oslo University Hospital Oslo Norway
16. Department of Epidemiology Harvard T.H. Chan School of Public Health Boston Massachusetts USA
17. Cancer Registry of Norway Oslo Norway
18. Department of Nutrition Institute of Basic Medical Sciences, University of Oslo Oslo Norway
19. Department of Preventive Medicine University of Southern California Los Angeles California USA