1 Orygen, The National Centre of Excellence in Youth Mental Health, The University of Melbourne, Melbourne, VIC 3052, Australia. Electronic address: barnaby.nelson@orygen.org.au.
2 Orygen, The National Centre of Excellence in Youth Mental Health, The University of Melbourne, Melbourne, VIC 3052, Australia.
3 Department of Psychiatry, Psychotherapy and Psychosomatics, Vivantes Klinikum am Urban und Vivantes Klinikum im Friedrichshain/Charite-Universitätsmedizin, Berlin, Germany; Department of Psychiatry and Psychotherapy, University of Cologne, Cologne, Germany.
4 Psychosis Research Unit, Greater Manchester West Mental Health National Health Service Foundation Trust, University of Manchester, Manchester, UK.
5 Department of Psychiatry, McGill University, Montreal, QC, Canada.
6 School of Psychological Sciences, University of Manchester, Manchester, UK.
7 Department of Clinical Psychology and Psychotherapy, University of Bern, Bern, Switzerland.
8 Department of Clinical, Neuro and Developmental Psychology, Amsterdam Public Health Research Institute, Vrije Universiteit Amsterdam, Amsterdam, Netherlands.
9 Orygen, The National Centre of Excellence in Youth Mental Health, The University of Melbourne, Melbourne, VIC 3052, Australia; School of Psychology, University of Birmingham, Birmingham, UK.
10 Department of Psychiatry, Yale University, New Haven, CT, USA.
11 Orygen, The National Centre of Excellence in Youth Mental Health, The University of Melbourne, Melbourne, VIC 3052, Australia; Institute of Brain, Behaviour and Mental Health, University of Manchester, Manchester, UK.