1. Department of Psychiatry, University of Ibadan, Ibadan, Nigeria
2. WHO Collaborating Centre for Research and Training in Mental Health, Neurosciences and Substance Abuse, University of Ibadan, Ibadan, Nigeria
3. Department of Social and Methodological Psychology, Universidad Autonoma de Madrid, Madrid, Spain
4. Centre for Biomedical Research in Mental Health (CIBERSAM), Madrid, Spain
5. Department of Legal Medicine, Psychiatry and Pathology, Universidad Complutense de Madrid, Madrid, Spain
6. ESRC Centre for Society and Mental Health, King’s College London, London, United Kingdom
7. Centre for Longitudinal Studies, UCL Social Research Institute, University College London, London, United Kingdom
8. Department of Psychiatry, Universidad Autonoma de Madrid, Madrid, Spain
9. Department of Preventive Medicine, Public Health, and Microbiology, Universidad Autonoma de Madrid, Madrid, Spain
10. Centre for Biomedical Research in Epidemiology and Public Health (CIBERESP), Pamplona, Spain
11. Parc Sanitari Sant Joan de Deu, Barcelona, Spain
12. Department of Psychiatry, Faculty of Health Sciences, Stellenbosch University, Stellenbosch, South Africa