1. Departement of Health and Caring Sciences, Western Norway University of Applied Sciences; Førde Norway
2. Department of Global Public Health and Primary Care; University of Bergen; Bergen Norway
3. Department of Population Medicine; Harvard Medical School; Boston MA USA
4. Department of Psychiatry; District General Hospital of Førde; Førde Norway
5. Department of Community and Family Medicine; Duke University School of Medicine; Durham NC USA
6. Centre of Health Research; District General Hospital of Førde; Førde Norway