About the Authors

Ashley R. Williams

Affiliation The Water Institute, University of North Carolina, Chapel Hill, NC, United States of America

Robert E. S. Bain

Affiliations The Water Institute, University of North Carolina, Chapel Hill, NC, United States of America, UNICEF, New York, NY, United States of America

Michael B. Fisher

Affiliation The Water Institute, University of North Carolina, Chapel Hill, NC, United States of America

Ryan Cronk

Affiliation The Water Institute, University of North Carolina, Chapel Hill, NC, United States of America

Emma R. Kelly

Affiliation The Water Institute, University of North Carolina, Chapel Hill, NC, United States of America

Jamie Bartram

jbartram@email.unc.edu

Affiliation The Water Institute, University of North Carolina, Chapel Hill, NC, United States of America

Competing Interests

The authors have read the journal's policy and the authors of this manuscript have the following competing interests: This work received funding from a commercial source, ‘Adam Smith International’. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: ARW RB MBF RC JB. Performed the experiments: ARW RB MBF EK. Analyzed the data: ARW RB. Wrote the paper: ARW RB MBF RC EK JB.