About the Authors

Sarah Alkenbrack

Contributed equally to this work with: Sarah Alkenbrack, Michael Chaitkin, Wu Zeng, Taryn Couture

Current Address: World Bank Group, Washington, DC, United States of America

Affiliation Health Policy Project, Center for Policy and Advocacy, Futures Group, Washington, DC, United States of America

Michael Chaitkin

Contributed equally to this work with: Sarah Alkenbrack, Michael Chaitkin, Wu Zeng, Taryn Couture

Current Address: Results for Development Institute, Washington, DC, United States of America

Affiliation Health Policy Project, Center for Policy and Advocacy, Futures Group, Washington, DC, United States of America

Wu Zeng

Contributed equally to this work with: Sarah Alkenbrack, Michael Chaitkin, Wu Zeng, Taryn Couture

Affiliation Health Policy Project, Center for Policy and Advocacy, Futures Group, Washington, DC, United States of America

Taryn Couture

Contributed equally to this work with: Sarah Alkenbrack, Michael Chaitkin, Wu Zeng, Taryn Couture

TCouture@futuresgroup.com

Affiliation Health Policy Project, Center for Policy and Advocacy, Futures Group, Washington, DC, United States of America

Suneeta Sharma

Affiliation Health Policy Project, Center for Policy and Advocacy, Futures Group, Washington, DC, United States of America

Competing Interests

Sarah Alkenbrack, Wu Zeng, Taryn Couture and Suneeta Sharma were employed by Health Policy Project, Center for Policy and Advocacy, Futures Group during the course of the study. This research was conducted with funds from the Health Policy Project (USAID Agreement No. AIDOAA-A-10-00067). There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SA SS WZ MC TC. Performed the experiments: SA SS WZ MC TC. Analyzed the data: SA SS WZ MC TC. Contributed reagents/materials/analysis tools: SA SS WZ MC TC. Wrote the paper: SA SS WZ MC TC.