1. Department of Research Cancer Registry of NorwayOsloNorway
2. Norwegian Research Centre for Women’s Health Women’s Clinic Oslo University HospitalOsloNorway
3. Section for Colorectal Cancer Screening Cancer Registry of Norway Oslo Norway
4. Department of Community Medicine University of Tromsø The Arctic University of Norway Tromsø Norway
5. Oslo Centre for Biostatistics and Epidemiology Oslo University HospitalOslo Norway
6. Institute of Clinical Medicine University of Oslo Oslo Norway
7. International Agency for Research on Cancer (IARC) World Health Organization Lyon France
8. Oslo Centre for Biostatistics and Epidemiology Department of Biostatistics Institute of Basic Medical Sciences University of Oslo Oslo Norway