1. Department of Community Medicine Faculty of Health Sciences UiT The Arctic University of Norway N‐9037 Tromsø Norway
2. Division of Epidemiology Department of Pharmacoepidemiology Norwegian Institute of Public Health Oslo Norway
3. Department of Global Public Health and Primary Care University of Bergen Bergen Norway
4. University of Hawaii Cancer Center Honolulu Hawaii
5. Department of Medical Epidemiology and Biostatistics Karolinska Institutet Stockholm Sweden
6. Department of Genetic Epidemiology Folkhälsan Research Center Samfundet Folkhälsan Helsinki Finland
7. Department of Research Cancer Registry of Norway Oslo Norway
8. Norwegian Centre for Integrated Care and Telemedicine University Hospital of North Norway Tromsø Norway