1. Centre for Health Policy, School of Public Health, University
of the Witwatersrand, South Africa, jane.goudge@nhls.ac.za
2. Centre for Health Policy, School of Public Health, University
of the Witwatersrand, South Africa
3. Centre for Health Policy, School of Public Health, University
of the Witwatersrand, South Africa, Health Economics and Financing Programme, London School
of Hygiene and Tropical Medicine, UK
4. School of Development Studies, University of East Anglia,
UK
5. MRC/Wits Rural Public Health and Health Transitions
Research Unit (Agincourt), School of Public Health, University of the Witwatersrand,
South Africa
6. Health Economics and Financing Programme, London School
of Hygiene and Tropical Medicine, UK