About the Authors

Guy Harling, S. V. Subramanian
Department of Society, Human Development and Health, Harvard School of Public Health, Boston, Massachusetts, United States of America

Wezi Msisha
Europe and Central Asia Human Development Sector, The World Bank, Washington, D.C., United States of America

Corresponding Author

svsubram@hsph.harvard.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WMM SVS. Analyzed the data: GH. Contributed reagents/materials/analysis tools: SVS. Wrote the paper: GH WMM SVS.