1. Clinicum; Department of Public Health; University of Helsinki; Finland
2. Department of Adolescent Psychiatry; Helsinki University Central Hospital; Helsinki Finland
3. Institute of Clinical Medicine, Child Psychiatry, University of Turku; Finland
4. Department of Mental Health and Substance Abuse Services; National Institute for Health and Welfare; Helsinki Finland
5. Department of Psychiatry; Helsinki University Central Hospital; Finland
6. Information Services Department; National Institute for Health and Welfare; Helsinki Finland
7. Department of Social Psychiatry; Tampere School of Public Health; Finland