1. Department of Health Management and Health Economics; Institute of Health and Society; University of Oslo; Oslo Norway
2. Department of Medical Epidemiology and Biostatistics; Karolinska Institute; Stockholm Sweden
3. Department of Public Health; Center for Epidemiology & Screening; University of Copenhagen; Copenhagen Denmark
4. Research Department; The Cancer Registry of Norway; Oslo Norway
5. Center for Health Decision Science; Harvard T.H. Chan School of Public Health; Boston MA USA