1. Department of Epidemiology, Fielding School of Public Health, 640 Charles E Young Dr S, University of California, Los Angeles, California, 90024-1772, United States of America (USA).
2. New York Medical College, New York, USA.
3. Consultant, World Health Organization, Geneva, Switzerland.
4. Centre for Research in Epidemiology and Population Health, Institut de la Santé et de la Recherche Médicale (INSERM), Kremlin-Bicêtre, France.
5. Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland.
6. Primary Care and Public Health Directorate, Ministry of Health, Manama, Bahrain.
7. Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa.
8. Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil.
9. Department of Mental Health and Substance Abuse, World Health Organization, Geneva, Switzerland.