1. Department of Psychosis Studies, Institute of Psychiatry, Psychology & Neuroscience, King’s College London , UK
2. South London and Maudsley NHS Foundation Trust , London , UK
3. National Institute for Health Research (NIHR) Biomedical Research Centre (BRC) , UK
4. Department of Psychology, University of Roehampton , London , UK
5. CAMEO Early Intervention in Psychosis Services, Cambridgeshire and Peterborough NHS Foundation Trust , Cambridge , UK
6. Department of Psychiatry, Melbourne Neuropsychiatry Centre, University of Melbourne & Melbourne Health , Carlton South, Victoria , Australia
7. Orygen , Parkville, Victoria , Australia
8. Centre for Youth Mental Health, The University of Melbourne , Parkville, Victoria , Australia
9. University of Basel, Faculty of Medicine , Basel , Switzerland
10. Departament de Psicologia Clínica i de la Salut (Universitat Autònoma de Barcelona), Fundació Sanitària Sant Pere Claver (Spain), Center for Biomedical Research in Mental Health (CIBERSAM) , Madrid , Spain
11. University of Paris, GHU-Paris, Sainte-Anne, C’JAAD, Hospitalo-Universitaire department SHU, Inserm U1266, Institut de Psychiatrie (CNRS 3557) , Paris , France
12. Center for Neuropsychiatric Schizophrenia Research, CNSR, and Center for Clinical Intervention and Neuropsychiatric Schizophrenia Research, CINS, Mental Health Services Capital Region of Denmark, Mental Health Center Glostrup , Glostrup , Denmark
13. Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen , Denmark
14. Department of Psychiatry and Psychotherapy, Faculty of Medicine and University Hospital University of Cologne , Cologne , Germany
15. Department of Psychiatry and Psychotherapy, Medical University of Vienna , Vienna , Austria
16. Department of Psychiatry and Neuropsychology, Faculty of Health, Medicine and Life Sciences, School for Mental Health and Neuroscience (MHeNS), Maastricht University , Maastricht , The Netherlands
17. Early Psychosis Department, Amsterdam UMC , Amsterdam , The Netherlands
18. Department of Clinical Psychology and Amsterdam Public Mental Health Research Institute, Faculty of Behavioural and Movement Sciences, VU University , Amsterdam , The Netherlands
19. Department of Psychosis Research, Parnassia Psychiatric Institute , The Hague , The Netherlands
20. Department of Psychology, Institute of Psychiatry, Psychology & Neuroscience, King’s College London , UK