1. Infectious Diseases Research Collaboration, Kampala, Uganda
2. Departments of Medicine and Pediatrics, University of California, San Francisco, CA, USA
3. Kenya Medical Research Institute (KEMRI), Nairobi, Kenya
4. Department of Biostatistics & Epidemiology, University of Massachusetts, Amherst, MA, USA
5. Berkeley School of Public Health, University of California, Berkeley, CA, USA
6. Maternal and Pediatric Infectious Diseases Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development at the National Institutes of Health, Bethesda, MD, USA
7. School of Medicine, Makerere University College of Health Sciences, Kampala, Uganda