1. Division of Infectious Diseases, Department of Medicine, Washington University in St. Louis, St. Louis
2. Research Care Training Program, Centre for Microbiology Research, Kenya Medical Research Institute, Kisumu, Kenya
3. Department of Biostatistics, Gillings School of Public Health, University of North Carolina, Chapel Hill
4. Department of Obstetrics, Gynecology, and Reproductive Services, University of California, San Francisco, San Francisco
5. Division of Prevention Science, Department of Epidemiology and Biostatistics, School of Medicine, University of California, San Francisco, San Francisco
6. Division of Medical Ethics and Health Policy, University of Pennsylvania, Philadelphia
7. Division of HIV, Infectious Diseases and Global Medicine, Department of Medicine, University of California, San Francisco, San Francisco
8. Division of Biostatistics, School of Public Health, University of California, Berkeley, Berkeley