1. Global AIDS Program, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia.
2. Division of HIV/AIDS Prevention, CDC, Atlanta, Georgia.
3. DST/NRF Centre of Excellence in Epidemiological Modeling and Analysis, SACEMA, Stellenbosch, South Africa.
4. Human Sciences Research Council, Cape Town, South Africa.
5. Medical Research Council, Cape Town, South Africa.
6. National Institute for Communicable Diseases, Johannesburg, South Africa.
7. Global AIDS Program Côte d'Ivoire, U.S. Centers for Disease Control and Prevention, Abidjan, Côte d'Ivoire.
8. Kenya Ministry of Health, Nairobi, Kenya.
9. Global AIDS Program Kenya, US Centers for Disease Control and Prevention, Nairobi, Kenya.