About the Authors

K. Miriam Elfstrom

Affiliation Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, Georgia, United States of America

Rob Stephenson

rbsteph@sph.emory.edu

Affiliation Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RS. Performed the experiments: KME. Analyzed the data: KME. Contributed reagents/materials/analysis tools: KME RS. Wrote the paper: KME RS. Drafted the manuscript: KME. Revised the manuscript: RS. Approved the manuscript: RS KME.