1. Makerere University–Johns Hopkins University Research Collaboration, Kampala, Uganda.
2. Department of Obstetrics and Gynecology, Magee-Womens Research Institute, Pittsburgh, Pennsylvania.
3. Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland.
4. Department of Biostatistics, University of Washington, Seattle, Washington.
5. Department of Medicine, University of Washington, Seattle, Washington.
6. University of Zimbabwe–University of California San Francisco Research Program, Harare, Zimbabwe.
7. Department of Global Health, University of Washington, Seattle, Washington.
8. Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington.