1. Center for Child and Adolescent Mental Health, Oslo, Norway
2. Knowledge Centre for Education, University of Stavanger, Stavanger, Norway
3. PROMENTA Research Center, Department of Psychology, University of Oslo, Oslo, Norway
4. Department of Mental Health and Suicide, Norwegian Institute for Public Health, Oslo, Norway
5. The Norwegian Directorate for Children, Youth and Family Affairs, Oslo, Norway
6. Department of Special Needs Education, University of Oslo, Oslo, Norway
7. Department of Education, University of Oslo, Oslo, Norway