1. Epidemiology of Psychiatric Conditions, Substance Use and Social Environment (EPiCSS), Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
2. Department of Rehabilitation Sciences, University of Leuven; and University Psychiatric Center, Katholieke Universiteit Leuven, Belgium
3. Medical Epidemiology and Biostatistics (MEB), Karolinska Institutet, Stockholm, Sweden
4. Astrand Laboratory of Work Physiology, The Swedish School of Sport and Health Sciences, Stockholm, Sweden
5. Research Department, HPI Health Profile Institute, Danderyd, Sweden