1. Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA.
2. Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, University of Washington, Seattle, WA 98109, USA.
3. Global Antibiotic Research and Development Partnership (GARDP), Geneva, Switzerland.
4. Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research, Washington, Seattle, WA 98109, USA.
5. Texas Children’s Center for Vaccine Development, National School of Tropical Medicine, Baylor College of Medicine, Houston, TX 77030, USA.
6. Sanofi Research and Development, Sanofi, Cambridge, MA 02139, USA.
7. Foundation for the National Institutes of Health, North Bethesda, MD 20852, USA.
8. Janssen Vaccines & Prevention B.V., Leiden, Netherlands.
9. Moderna Inc., Cambridge, MA 02139, USA.
10. Departments of Pediatrics and Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA.