1. Howard Brown Health Center, Chicago, Illinois.
2. Statistical Center for HIV/AIDS Research and Prevention (SCHARP), Seattle, Washington.
3. Department of Biostatistics, University of Washington, Seattle, Washington.
4. HPTN Black Caucus, FHI360, Durham, North Carolina.
5. Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland.
6. The Fenway Institute, Beth Israel Deaconess Medical Center, Boston, Massachusetts.
7. Laboratory of Infectious Disease Prevention, New York Blood Center, New York, New York.