About the Authors
Statistics and Monitoring Section, Division of Planning and Strategy, UNICEF, New York, New York, United States of America
MEASURE DHS, ICF International, Calverton, Maryland, United States of America
The authors have declared that no competing interests exist.
Analyzed the data: AH FA. Wrote the first draft of the manuscript: AH FA. Contributed to the writing of the manuscript: AH FA. ICMJE criteria for authorship read and met: AH FA. Agree with manuscript results and conclusions: AH FA.