About the Authors

Keshet Ronen

Affiliation Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Connor O. McCoy

Affiliation Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Frederick A. Matsen

Affiliation Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

David F. Boyd

Affiliation Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Sandra Emery

Affiliation Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Katherine Odem-Davis

Affiliation Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Walter Jaoko

Affiliation Department of Medical Microbiology, University of Nairobi, Kenyatta National Hospital, Nairobi, Kenya

Kishor Mandaliya

Affiliation Coast Provincial General Hospital, Women's Health Project, Mombasa, Kenya

R. Scott McClelland

Affiliations Department of Medical Microbiology, University of Nairobi, Kenyatta National Hospital, Nairobi, Kenya, Department of Global Health, University of Washington, Seattle, Washington, United States of America

Barbra A. Richardson

Affiliations Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America, Department of Global Health, University of Washington, Seattle, Washington, United States of America, Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America, Department of Biostatistics, University of Washington, Seattle, Washington, United States of America

Julie Overbaugh

joverbau@fhcrc.org

Affiliations Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America, Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JO KR. Performed the experiments: KR DFB SE. Analyzed the data: COM FAM KR KOD BAR RSM JO. Contributed reagents/materials/analysis tools: COM FAM KM WJ. Wrote the paper: KR JO.