1. Health Economics and HIV/AIDS Research Division (HEARD), University of KwaZulu-Natal, South Africa
2. Discipline of Psychology, School of Applied Human Sciences, College of Humanities, University of KwaZulu-Natal, South Africa
3. Health Systems Research Unit, South African Medical Research Council, South Africa
4. Centre for Rural Health, School of Nursing and Public Health, College of Health Sciences, University of KwaZulu-Natal, South Africa
5. Department of Psychology, University of Cape Town, South Africa
6. Department of Educational Psychology, University of Pretoria, South Africa
7. Department of Psychology, Stellenbosch University, South Africa