About the Authors

Holly M. Burke

hburke@fhi360.org

Affiliation Global Health, Population and Nutrition Department, Durham, North Carolina, United States of America

Whitney Moret

Affiliation Social and Economic Development Department, Washington, D.C., United States of America

Samuel Field

Affiliation Global Health, Population and Nutrition Department, Durham, North Carolina, United States of America

Mario Chen

Affiliation Global Health, Population and Nutrition Department, Durham, North Carolina, United States of America

Yanwu Zeng

Affiliation Global Health, Population and Nutrition Department, Durham, North Carolina, United States of America

Firmin M. Seka

Affiliation Synergie Expertise, Abidjan, Côte d’Ivoire

Competing Interests

FMS is employed by Synergie Expertise, the data collection firm hired to collect the data for this study. There are no patents, products in development or marketed products to declare. This does not alter the authors’ adherence to all PLOS ONE policies on sharing data and materials.

Author Contributions

Conceptualization: HMB WM. Data curation: YZ. Formal analysis: SF MC YZ. Investigation: FMS. Methodology: HMB WM SF MC. Project administration: HMB WM FMS. Software: YZ MC SF. Supervision: HMB FMS. Validation: HMB SF MC YZ. Visualization: HMB WM SF MC YZ. Writing – original draft: HMB WM SF MC. Writing – review & editing: HMB WM SF MC.