1. Centre for Geographic Medicine Research – Coast, Kenya Medical Research Institute, Kilifi, Kenya
2. Blood Systems Research Institute, San Francisco, CA, USA
3. Programa de Oncovirologia, Instituto Nacional de Câncer, Rio de Janeiro, Brazil
4. University of Washington, Seattle, WA, USA
5. International AIDS Vaccine Initiative, New York, NY, USA
6. Department of Epidemiology and Biostatistics, University of California at San Francisco, CA, USA
7. Nuffield Department of Medicine, University of Oxford, Headington, UK
8. Department of Laboratory Medicine, University of California at San Francisco, CA, USA