1. Health Service & Population Research Department Institute of Psychiatry, Psychology and Neuroscience, King's College London London UK
2. Department of Psychiatry School of Medicine, Pontificia Universidad Católica de Chile Santiago Chile
3. Early Intervention Program, J. Horwitz Psychiatric Institute Santiago Chile
4. School of Medicine, Universidad Finis Terrae Santiago Chile
5. Programa de Esquizofrenia (PROESQ), Department of Psychiatry School of Medicine, Universidade Federal de São Paulo São Paulo Brazil
6. Centro de Pesquisa e Inovação em Prevenção de Transtornos Mentais e uso de álcool e outras drogas (CEPIPREV) School of Medicine, Universidade Federal de São Paulo São Paulo Brazil
7. Department of Psychosis Studies Institute of Psychiatry, Psychology and Neuroscience, King's College London London UK