University of Washington, School of Public Health, Department of Global Health, University of South Africa (UNISA) - Department of Decision Science, Independent, New York University (NYU) - Grossman School of Medicine, University of Oxford - Nuffield Department of Primary Care Health Sciences, Independent, Institute for Disease Modeling, Independent, University of Washington - Department of Global Health, Centre for the AIDS Programme of Research in Africa (CAPRISA), University of KwaZulu- Natal and University of Washington - Department of Global Health