About the Authors

Nathan P. Miller

nmille33@jhu.edu

Affiliation Institute for International Programs, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Agbessi Amouzou

Affiliation Institute for International Programs, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Elizabeth Hazel

Affiliation Institute for International Programs, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Tedbabe Degefie

Affiliation United Nations Children’s Fund (UNICEF) Ethiopia Country Office, Addis Ababa, Ethiopia

Hailemariam Legesse

Affiliation United Nations Children’s Fund (UNICEF) Ethiopia Country Office, Addis Ababa, Ethiopia

Mengistu Tafesse

Affiliation ABH Services, PLC, Addis Ababa, Ethiopia

Luwei Pearson

Affiliation United Nations Children’s Fund (UNICEF) Ethiopia Country Office, Addis Ababa, Ethiopia

Robert E. Black

Affiliation Institute for International Programs, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Jennifer Bryce

Affiliation Institute for International Programs, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Competing Interests

One author, Mengistu Tafesse, is affiliated with a private Ethiopian consulting firm, ABH Services PLC. ABH was contracted to carry out data collection for this study. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: NPM AA EH REB JB. Performed the experiments: NPM AA EH MT. Analyzed the data: NPM. Wrote the paper: NPM AA EH TD HL MT LP REB JB.