Affiliation: | 1. Tyrili Research &2. Development, Oslo, Norway;3. Research Centre for Child and Youth Competence Development, Lillehammer University College, Lillehammer, Norway;4. Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway;5. Research Centre for Child and Youth Competence Development, Lillehammer University College, Lillehammer, Norway;6. Department of Special Needs Education, University of Oslo, Oslo, Norway |