About the Authors

Eric W. Schrimshaw

es458@cumc.columbia.edu

Affiliation Department of Sociomedical Sciences, Mailman School of Public Health, Columbia University, New York, New York, United States of America

Nadav Antebi-Gruszka

Affiliation Department of Sociomedical Sciences, Mailman School of Public Health, Columbia University, New York, New York, United States of America

Martin J. Downing Jr.

Affiliation Research and Evaluation, Public Health Solutions, Inc., New York, New York, United States of America

Competing Interests

The authors’ employment or affiliation with the non-profit organizations of Columbia University (EWS, NAG), Public Health Solutions (MJD), or past affiliations with the nonprofit National Research and Development Institutes, Inc. (MJD) do not provide any competing interests with the research presented. The authors affiliations do not alter their adherence to PLOS ONE policies on sharing data or materials.

Author Contributions

Conceived and designed the experiments: EWS MJD. Performed the experiments: EWS MJD. Analyzed the data: EWS MJD. Wrote the paper: EWS NAG MJD.