Affiliation: | 1. Department of Psychiatry, Oulu University Hospital, Oulu, Finland;2. Child and Adolescent Mental Health Unit, National Institute for Health and Welfare, Helsinki, Finland;3. Department of Children, Young People and Families, National Institute for Health and Welfare, Oulu, Finland;4. Information Services Department, National Institute for Health and Welfare, Helsinki, Finland;5. Nordic School of Public Health NHV, Gothenburg, Sweden |