1. Department of Psychosocial Science; University of Bergen; Norway
2. Department of Alcohol, Drug and Tobacco Research; Norwegian Institute of Public Health; Norway
3. Fachbereich Gesellschaftswissenschaften und Soziale Arbeit; Hochschule Darmstadt University of Applied Sciences; Germany
4. KoRus-Øst, Innlandet Hospital Trust; Norway
5. Department of Clinical Psychology; University of Bergen; Norway