About the Authors

K. Juliet A. Bedford

Affiliations Anthrologica, Oxford, Oxfordshire, United Kingdom, School of Anthropology, University of Oxford, Oxford, Oxfordshire, United Kingdom

Alyssa B. Sharkey

asharkey@unicef.org

Affiliation Knowledge Management and Implementation Research Unit, Health Section, Program Division United Nations Children's Fund (UNICEF), New York, New York, United States of America

Competing Interests

Juliet Bedford was hired as an independent consultant to conduct research for UNICEF. In relation to this manuscript and the research it is based on, however, she confirms that for herself (as an individual) and Anthrologica (as a company) no competing interests exist. There is nothing to declare in terms of employment, patents, products in development or marketed products. The authors' adhere to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: KJAB ABS. Performed the experiments: KJAB. Analyzed the data: KJAB ABS. Contributed reagents/materials/analysis tools: KJAB ABS. Wrote the paper: KJAB ABS.