1. Institute of Psychiatry, Psychology and Neuroscience; King's College London; London UK
2. Department of Psychology; Faculty of Arts and Human Sciences; University of Surrey; Surrey UK
3. Department of Psychology; University of Hertfordshire; Hertfordshire UK
4. Department of Clinical, Educational and Health Psychology; University College London; London UK
5. Department of Clinical Psychology, School of Psychology; University of East London; London UK
6. Harrow & Hillingdon Early Intervention in Psychosis Service, The Pembroke Centre; Central and North West London NHS Foundation Trust; London UK
7. Biomedical Research Centre; South London and Maudsley NHS Foundation Trust; Institute of Psychiatry, Psychology and Neuroscience; King's College London; London UK