1. Department of Welfare and Participation, Western Norway University of Applied Sciences, Sogndal, Norway
2. Centre for Alcohol and Drug Research (KORFOR), Stavanger University Hospital , Stavanger, Norway
3. Department of Psychiatry, District General Hospital of Førde , Førde, Norway
4. Department of Health and Caring Sciences, Western Norway University of Applied Sciences , Førde, Norway
5. Department of Social Studies, University of Stavanger, Stavanger, Norway