1. Faculty of Medicine and Health Technology Tampere University Tampere Finland
2. Department of Psychiatry Seinäjoki Central Hospital Seinäjoki Finland
3. Research Unit of Population Health University of Oulu Oulu Finland
4. Department of Epidemiology and Biostatistics School of Public Health, Imperial College London UK
5. Centre for Psychiatry and Mental Health Queen Mary University London UK
6. Child Health Research Centre The University of Queensland South Brisbane Queensland Australia
7. Child and Youth Mental Health Children's Health Queensland South Brisbane Queensland Australia
8. Research Center for Child Psychiatry, INVEST Research Flagship University of Turku Turku Finland
9. The Finnish Institute for Health and Welfare Helsinki Finland
10. Research Unit of Clinical Medicine, Psychiatry University of Oulu Oulu Finland
11. Clinic of Child Psychiatry Oulu University Hospital Oulu Finland
12. Medical Research Center Oulu Oulu University Hospital and University of Oulu Oulu Finland
13. Department of Psychiatry Oulu University Hospital Oulu Finland
14. Department of Psychiatry University of Turku Turku Finland
15. Addiction Psychiatry Unit, Department of Psychiatry Turku University Hospital Turku Finland