1. Centre for Health Policy, School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
2. Medical School, University of Warwick, Warwick, Coventry, UK
3. Department of Psychiatry, University of Witwatersrand, Johannesburg, South Africa
4. Community Psychiatry, Sedibeng District Health Services, Sedibeng, South Africa