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
The authors have declared that no competing interests exist.
Conceived and designed the experiments: WMM SVS. Analyzed the data: GH. Contributed reagents/materials/analysis tools: SVS. Wrote the paper: GH WMM SVS.