1. Department of Psychosis Studies, King’s College London, Institute of Psychiatry, London, England
2. Social, Genetic & Developmental Psychiatry Research Centre, King’s College London, Institute of Psychiatry, London, England
3. Department of Twin Research and Genetic Epidemiology, King’s College London School of Medicine, London, England
4. Department of Psychosis Studies, King’s College London, Institute of Psychiatry, London, England4Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden