About the Authors

Judd L. Walson

walson@u.washington.edu

Affiliations Department of Global Health, University of Washington, Seattle, Washington, United States of America, Department of Medicine, Division of Allergy and Infectious Disease, University of Washington, Seattle, Washington, United States of America, Department of Pediatrics, University of Washington, Seattle, Washington, United States of America, Department of Epidemiology, University of Washington, Seattle, Washington, United States of America

Barclay T. Stewart

Affiliation Medical University of South Carolina, Charleston, South Carolina, United States of America

Laura Sangaré

Affiliation Department of Epidemiology, University of Washington, Seattle, Washington, United States of America

Loice W. Mbogo

Affiliation Centre for Clinical Research, Kenya Medical Research Institute, Nairobi, Kenya

Phelgona A. Otieno

Affiliation Centre for Clinical Research, Kenya Medical Research Institute, Nairobi, Kenya

Benjamin K. S. Piper

Affiliations Department of Medicine, Division of Allergy and Infectious Disease, University of Washington, Seattle, Washington, United States of America, Centre for Clinical Research, Kenya Medical Research Institute, Nairobi, Kenya

Barbra A. Richardson

Affiliation Department of Biostatistics, University of Washington, Seattle, Washington, United States of America

Grace John-Stewart

Affiliations Department of Global Health, University of Washington, Seattle, Washington, United States of America, Department of Medicine, Division of Allergy and Infectious Disease, University of Washington, Seattle, Washington, United States of America, Department of Epidemiology, University of Washington, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JLW LWM PAO GJS. Performed the experiments: JLW LWM GJS. Analyzed the data: JLW BTS LS BKP BAR GJS. Contributed reagents/materials/analysis tools: LS BAR GJS. Wrote the paper: JLW BTS LS LWM BKP BAR GJS.