1. Division of Global HIV/AIDS, U.S. Centers for Disease Control and Prevention, Atlanta, Georgia.
2. ICAP-Tanzania, Columbia University, Dar Es Salaam, United Republic of Tanzania.
3. Division of Global HIV/AIDS, U.S. Centers for Disease Control and Prevention, Dar Es Salaam, United Republic of Tanzania.
4. Division of Global HIV/AIDS U.S. Centers for Disease Control and Prevention, Windhoek, Namibia.
5. Division of Global HIV/AIDS, U.S. Centers for Disease Control and Prevention, Nairobi, Kenya.
6. National AIDS/STD Control Programme (NASCOP), Ministry of Health, Nairobi, Kenya.
7. ICAP-Kenya, Columbia University, Nairobi, Kenya.
8. HIV Prevention, Ministry of Health and Social Services, Windhoek, Namibia.
9. HIV Prevention, Ministry of Health and Social Welfare, Dar Es Salaam, United Republic of Tanzania.