1. SAMRC/Centre for Health Economics and Decision Science – PRICELESS SA, School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
2. School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
3. Sonke Gender Justice, Johannesburg, South Africa
4. Department of Health Behavior, Gillings School of Public Health, University of North Carolina, Chapel Hill, CA, United States