About the Authors

Elisabeth D. Root

roote@colorado.edu

Affiliation Department of Geography and Institute of Behavioral Sciences, University of Colorado at Boulder, Boulder, Colorado, United States of America

Sophia Giebultowicz

Affiliation Department of Geography and Carolina Population Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Mohammad Ali

Affiliation Data Management, GIS, and Statistics Unit, International Vaccine Institute, Seoul, Korea

Mohammad Yunus

Affiliation ICDDR,B, Centre for Health and Population Research, Dhaka, Bangladesh

Michael Emch

Affiliation Department of Geography and Carolina Population Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EDR SG MA ME. Analyzed the data: EDR SG ME. Wrote the paper: EDR ME. Obtained data for analysis: MA MY ME. Provided final review and editing of manuscript: MA MY ME.