About the Authors

Lotty Ledwaba

lledwaba@phidisa.org

Affiliation Project Phidisa, Pretoria, South Africa

Jorge A. Tavel

Affiliation National Institutes of Health, Bethesda, Maryland, United States of America

Paul Khabo

Affiliation Project Phidisa, Pretoria, South Africa

Patrick Maja

Affiliation Project Phidisa, Pretoria, South Africa

Jing Qin

Affiliation National Institutes of Health, Bethesda, Maryland, United States of America

Phumele Sangweni

Affiliation Project Phidisa, Pretoria, South Africa

Xiao Liu

Affiliation National Institutes of Health, Bethesda, Maryland, United States of America

Dean Follmann

Affiliation National Institutes of Health, Bethesda, Maryland, United States of America

Julia A. Metcalf

Affiliation National Institutes of Health, Bethesda, Maryland, United States of America

Susan Orsega

Affiliation National Institutes of Health, Bethesda, Maryland, United States of America

Beth Baseler

Affiliation Science Applications International Corporation, Frederick, Inc., Frederick, Maryland, United States of America

James D. Neaton

Affiliation University of Minnesota, Minneapolis, Minnesota, United States of America

H. Clifford Lane

Affiliation National Institutes of Health, Bethesda, Maryland, United States of America

for the Project Phidisa Biomarkers Team

Competing Interests

Authors Beth Basseler and Xiao Liu are employees of SAIC Frederick, Inc. There are no patents, products in development or marketed products to declare. This does not alter the authors′ adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JT JN HCL. Analyzed the data: PK PM JQ XL DF. Contributed reagents/materials/analysis tools: PS JM. Wrote the paper: JT JN DF JM LL SO. Performed/coordinated laboratory studies: PS JM BB .