1. Johns Hopkins University School of Medicine, Baltimore, MD, USA
2. Department of Epidemiology and Biostatistics, Milken Institute School of Public Health, George Washington University, Washington, DC, USA
3. Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
4. Adult Ryan White Services, Johns Hopkins University, Baltimore, MD, USA
5. Harborview Medical Center, University of Washington, Seattle, WA, USA
6. Department of Health Behavior and Health Education, School of Public Health, University of Michigan, Ann Arbor, MI, USA
7. School of Medicine, Chapel Hill, NC, USA
8. Institute for Global Health and Infectious Diseases, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
9. Division of Infectious Diseases, University of Alabama at Birmingham (UAB), Birmingham, AL, USA