Affiliations

• ¹ Health Service and Population Research Department, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, UK.
• ² Office of Director, London School of Hygiene & Tropical Medicine, London, UK.
• ³ Section of Child and Adolescent Psychiatry, Department of Psychiatry, University of Oxford, Oxford OX3 7JX, UK; MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), School of Public Health, University of the Witwatersrand, Johannesburg, South Africa. Electronic address: alan.stein@psych.ox.ac.uk.