1. Zvitambo Institute for Maternal and Child Health Research, Harare, Zimbabwe
2. Centre for Genomics and Child Health, Blizard Institute, Queen Mary University of London, United Kingdom
3. Vaccine Testing Center, Larner College of Medicine, University of Vermont, Burlington
4. Department of Pediatrics, Larner College of Medicine, University of Vermont, Burlington
5. Department of Microbiology and Molecular Genetics, Larner College of Medicine, University of Vermont, Burlington
6. Department of Pediatrics, University of Cincinnati College of Medicine, Division of Infectious Diseases, Cincinnati Children’s Hospital Medical Center, Ohio
7. Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland