1. National Centre for Register-Based Research; NCRR, Aarhus University; Aarhus V Denmark
2. The Lundbeck Foundation Initiative for Integrative Psychiatric Research, iPSYCH; Denmark
3. Child and Adolescent Mental Health Centre - Mental Health Services Capital Region; Copenhagen Region Denmark
4. CIRRAU - Centre for Integrated Register-based Research; Aarhus University; Aarhus V Denmark
5. Yale Child Study Center; Yale University; New Haven Connecticut USA
6. Department of Clinical Medicine; Faculty of Health Sciences, University of Copenhagen; Copenhagen Denmark