1. Institute of Psychiatry, Psychology & Neuroscience, King's College London London UK
2. South London and Maudsley NHS Foundation Trust London UK
3. Department of Psychological Medicine, School of Medicine, Faculty of Medical and Health Sciences, University of Auckland Auckland New Zealand
4. Department of Psychiatry, Razi Hospital, Faculty of Medicine of Tunis University of Tunis El Manar Tunis Tunisia
5. Department of Social and Community Health School of Population Health, University of Auckland Auckland New Zealand
6. University Psychiatric Hospital Sveti Ivan Zagreb Croatia
7. Mental Health Research Center, Psychosocial Health Research Institute, Department of Psychiatry, School of Medicine, Iran University of Medical Sciences Tehran Iran
8. Translational and Clinical Research Institute, Faculty of Medical Sciences Newcastle University Newcastle upon Tyne UK