1. HIV/AIDS Division Rwanda Biomedical Center Kigali Rwanda
2. Institute of Human Virology and Division of Infectious Diseases University of Maryland Baltimore MD USA
3. Rwanda Biomedical Center Reference Laboratory Kigali Rwanda
4. World Health Organization Kigali Rwanda
5. Partners in Health/Inshuti Mu Buzima Kigali Rwanda
6. School of Population and Public Health University of British Columbia Vancouver BC Canada
7. Global Evaluative Sciences Vancouver BC Canada
8. Walter Reed Army Institute of Research Silver Spring MD USA
9. Swiss Tropical and Public Health Institute University of Basel and Basel Institute for Clinical Epidemiology and Biostatistics Basel Switzerland