1. Medical School, University College London, London, UK
2. Department of Psychological Medicine, King’s College London, London, UK
3. Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK
4. South London and Maudsley NHS Foundation Trust, London, UK
5. Division of Psychiatry, University College London, London, UK
6. Institute of Mental Health, University College London, London, UK