1. iPSYCH–Lundbeck Foundation Initiative for Integrative Psychiatric Research, Copenhagen and Aarhus, Denmark (all authors); National Center for Register-Based Research, Department of Economics and Business Economics, Aarhus University, Aarhus, Denmark (Brikell, Wimberley, Albiñana, Vilhjálmsson, Agerbo, Mortensen, Petersen, Dalsgaard); Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm (Brikell); Center for Integrated Register-Based Research–CIRRAU, Aarhus University,...