About the Authors

Andrew Stokes


Affiliation Department of Global Health and Center for Global Health and Development, Boston University School of Public Health, Boston, Massachusetts, United States of America

Samuel H. Preston

Affiliation Department of Sociology and Population Studies Center, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: AS SHP. Data curation: AS. Formal analysis: AS SHP. Funding acquisition: AS SHP. Investigation: AS SHP. Methodology: AS SHP. Resources: AS SHP. Software: AS. Visualization: AS SHP. Writing – original draft: AS SHP. Writing – review & editing: AS SHP.