1. Research Laboratory Department, The Botswana-Harvard AIDS Institute Partnership, Gaborone, Botswana
2. Division of Medical Virology, Department of Pathology, Stellenbosch University Tygerberg, Cape Town, South Africa
3. Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
4. Pediatric Infectious Diseases, University of Colorado Denver, Denver, Colorado, USA
5. Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
6. Goodtables Data Consulting, Norman, Oklahoma, USA
7. Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
8. Department of Paediatrics, Massachusetts General Hospital, Boston, Massachusetts, USA
9. Harvard Medical School, Boston, Massachusetts, USA
10. Department of Psychiatry, Boston Children’s Hospital, Boston, Massachusetts, USA
11. Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
12. Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
13. Division of Infectious Diseases, Beth Israel Deaconess Medical Centre, Boston, Massachusetts, USA
14. Division of Infectious Diseases, Brigham and Women’s Hospital, Boston, Massachusetts, USA