1. Division of Psychiatry, Royal Edinburgh Hospital, Edinburgh, UK
2. Centre for Cognitive Ageing and Cognitive Epidemiology, Edinburgh, UK
3. Department of Psychology, University of Edinburgh, Edinburgh, UK
4. Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
5. Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
6. South London and Maudsley NHS Foundation Trust, London, UK
7. NIHR Biomedical Research Centre, London, UK
8. Centre for Genomic and Experimental Medicine, Institute of Genetics & Molecular Medicine, Edinburgh, UK
9. Usher Institute for Population Health Sciences and Informatics, Edinburgh, UK
10. MRC Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK