1. Rwanda Zambia Health Research Group, Department of Pathology & Laboratory Medicine, School of Medicine and Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
2. Department of Epidemiology, Rollins School of Public Health, Laney Graduate School, Emory University, Atlanta, Georgia, USA
3. Projet San Francisco, Kigali, Rwanda
4. Department of Epidemiology, Ryals School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama, USA
5. IAVI, New York, New York, USA
6. Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, California, USA
7. Center for Biomedical Research, Population Council, New York, New York, USA
8. Emory Vaccine Center, Atlanta, Georgia, USA