1. MRC Social, Genetic & Developmental Psychiatry Centre; King's College London; London UK
2. Department of Psychology; Institute of Psychiatry, Psychology & Neuroscience; King's College London; London UK
3. Psychosis Clinical Academic Group; South London and Maudsley NHS Foundation Trust; London UK
4. Department of Health Service and Population Research; King's College London; London UK
5. Department of Psychosis Studies; Institute of Psychiatry, Psychology & Neuroscience; King's College London; London UK
6. Department of Psychiatry; Trinity College Dublin; Dublin Ireland