1. Norwegian Institute of Public Health, Oslo, Norway
2. Department of Psychology, University of Oslo, Oslo, Norway
3. MRC Integrative Epidemiology Unit, Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, United Kingdom
4. NORMENT, KG Jebsen Centre for Psychosis Research, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
5. Institute of Clinical Medicine, University of Oslo, Oslo, Norway