1. Center for Biostatistics in AIDS Research in the Department of Biostatistics, Harvard T.H. Chan School of Public Health , Boston, Massachusetts , USA
2. Division of Infectious Diseases, Department of Pediatrics, Johns Hopkins University School of Medicine , Baltimore, Maryland , USA
3. Division of Pediatric Infectious Diseases, Department of Pediatrics, Northwestern University Feinberg School of Medicine , Chicago, Illinois , USA
4. Ann & Robert H. Lurie Children's Hospital of Chicago , Chicago, Illinois , USA
5. Department of Pediatrics and Child Health, Family Center for Research with Ubuntu, Stellenbosch University , Tygerberg , South Africa
6. Department of Pediatrics, University of California–Los Angeles David Geffen School of Medicine , Los Angeles, California , USA
7. Science Facilitation Department, FHI 360 , Durham, North Carolina , USA
8. Department of Pediatrics, San Francisco School of Medicine, University of California , San Francisco, California , USA
9. Department of Pediatrics, University of California San Diego School of Medicine , La Jolla, California , USA
10. Rady Children's Hospital , San Diego, California , USA
11. Frontier Science and Technology Research Foundation , Amherst, New York , USA
12. IMPAACT Laboratory Center, University of California Los Angeles , Los Angeles, California , USA
13. Infectious Diseases Department, Hospital Federal dos Servidores do Estado , Rio de Janeiro , Brazil
14. Kenya Medical Research Institute/Walter Reed Project , Kericho , Kenya
15. Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health , Bethesda, Maryland , USA
16. Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health , Rockville, Maryland , USA