1. Vaccine and Infectious Disease Division, Public Health Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
2. Department of Global Health, University of Washington, Seattle, WA, USA
3. Vaccine And Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
4. Vaccine Research Center, National Institute of Allergy and Infectious Diseases, Bethesda, MD, USA
5. Duke Human Vaccine Institute, Duke University Medical Center, Durham, NC, USA
6. The Fenway Institute, Boston, MA, USA
7. University of California, San Diego, CA, USA
8. Department of Biostatistics, University of Washington, Seattle, WA, USA