About the Authors

Delphine Hu

Affiliation Program in Health Decision Science, Department of Health Policy and Management, Harvard School of Public Health, Boston, Massachusetts, United States of America

Stefano M. Bertozzi

Affiliation Instituto Nacional de Salud Publica, Cuernavaca, Morelos, Mexico

Emmanuela Gakidou

Affiliation Harvard Initiative for Global Health, Cambridge, Massachusetts, United States of America

Steve Sweet

Affiliation Program in Health Decision Science, Department of Health Policy and Management, Harvard School of Public Health, Boston, Massachusetts, United States of America

Sue J. Goldie

To whom correspondence should be addressed. E-mail: sue_goldie@harvard.edu

Affiliations Program in Health Decision Science, Department of Health Policy and Management, Harvard School of Public Health, Boston, Massachusetts, United States of America, Harvard Initiative for Global Health, Cambridge, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SG DH. Performed the experiments: EG DH SS. Analyzed the data: EG SG DH SS. Contributed reagents/materials/analysis tools: SB. Wrote the paper: EG SG DH SS. Other: Edited the paper: SB SG.