1. Department of Psychology Institute of Psychiatry, Psychology & Neuroscience, King's College London London UK
2. The National Psychosis Unit & PiCuP Services, South London and Maudsley NHS Foundation Trust Bethlem Royal Hospital Beckenham UK
3. Harrow & Hillingdon Early Intervention in Psychosis Service, The Pembroke Centre, Central and North West London NHS Foundation Trust London UK
4. Department of Clinical, Educational and Health Psychology University College London UK