1. Centre for Global Mental Health, Department of Health Service and Population Research, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK
2. Centre for Global Mental Health, London School of Hygiene and Tropical Medicine, London, UK
3. Centre for Child and Adolescent Mental Health, University of Ibadan, Ibadan, Nigeria
4. Department of Psychiatry, College of Medicine, University of Ibadan, Ibadan, Nigeria
5. Centre for Observational Research, Amgen, Thousand Oaks, California, USA
6. Department of Paediatrics, College of Medicine, University of Ibadan, and University College Hospital, Ibadan, Nigeria
7. Division of Psychiatry, Imperial College London, and Surrey and Borders Partnership NHS Foundation Trust, Leatherhead, UK