1. MRC (Medical Research Council) Integrative Epidemiology Unit, University of Bristol, Bristol, United Kingdom
2. Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
3. Nic Waals Institute, Lovisenberg Diaconal Hospital, Oslo, Norway
4. Department of Mental Disorders, Norwegian Institute of Public Health, Oslo, Norway
5. MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff, United Kingdom
6. National Institute for Health Research Biomedical Research Centre, University Hospitals Bristol NHS (National Health Service) Foundation Trust and the University of Bristol, Bristol, United Kingdom
7. Institute of Clinical Medicine, University of Oslo, Oslo, Norway
8. School of Oral and Dental Sciences, University of Bristol, Bristol, United Kingdom