1. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
2. Department of Psychiatry, State University of New York (SUNY) Upstate Medical University, Syracuse
3. Department of Neuroscience and Physiology, SUNY Upstate Medical University, Syracuse
4. Department of Psychological and Brain Sciences, Indiana University, Bloomington
5. National Centre for Register-Based Research, Department of Economics and Business Economics, Aarhus University, Aarhus, Denmark
6. iPSYCH–The Lundbeck Foundation Initiative for Integrative Psychiatric Research, Aarhus, Denmark
7. Department for Child and Adolescent Psychiatry, Hospital of Telemark, Kragerø, Norway
8. School of Medical Sciences, Örebro University, Örebro, Sweden