About the Authors

Sarah K. Summers

Affiliation Department of Global Health, Milken Institute School of Public Health, The George Washington University, Washington, D.C., United States of America

Rochelle Rainey

Affiliation United States Agency for International Development (USAID), Washington D.C., United States of America

Maneet Kaur

Affiliation Berkeley Air Monitoring Group, Berkeley, California, United States of America

Jay P. Graham

jgraham@gwu.edu

Affiliation Department of Global Health, Milken Institute School of Public Health, The George Washington University, Washington, D.C., United States of America

Competing Interests

One author Maneet Kaur, was employed by Berkeley Air Monitoring Group, while contributing to this paper. Berkeley Air Monitoring Group is a social venture that focuses on field based monitoring and evaluation and there is no competing financial interest here. This involvement does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SKS RR MK JPG. Performed the experiments: SKS JPG. Analyzed the data: SKS. Wrote the paper: SKS RR MK JPG.