1. Center for Alcohol & Drug Research, Stavanger University Hospital, Stavanger, Norway; Regional Centre for Child and Youth Mental Health and Child Welfare, NORCE Norwegian Research Centre, Bergen, Norway
2. Regional Centre for Child and Youth Mental Health and Child Welfare, NORCE Norwegian Research Centre, Bergen, Norway; Department of Psychosocial Science, Faculty of Psychology, University of Bergen, Bergen, Norway
3. Regional Centre for Child and Youth Mental Health and Child Welfare, NORCE Norwegian Research Centre, Bergen, Norway
4. Department of Health Promotion, Norwegian Institute of Public Health, Bergen, Norway; Department of Mental Health, Norwegian University of Science and Technology, Trondheim, Norway; Department of Research and Innovation, Helse-Fonna HF, Haugesund, Norway
5. Department of Alcohol, Tobacco and Drugs, Norwegian Institute of Public Health, Oslo, Norway