1. Alcohol and Drug Research Western Norway; Stavanger University Hospital; Stavanger
2. Department of Child and Adolescent Psychiatry; Haukeland University Hospital; Bergen
3. Regional Centre for Child and Youth Mental Health and Child Welfare (formerly known as the Centre for Child and Adolescent Mental Health); Uni Health, Uni Research; Bergen Norway
4. Regional Centre for Child and Youth Mental Health and Child Welfare, Uni Health, Uni Research, Bergen; Sogn og Fjordane University College; Sogndal Norway
5. Department of Psychology; Norwegian University of Science and Technology; Trondheim
6. Centre for Child and Adolescent Mental Health; Eastern and Southern Norway; Oslo Norway
7. Regional Centre for Child and Youth Mental Health and Child Welfare; Uni Health, Uni Research; Bergen Norway