About the Authors

Sophie Witter

Roles Conceptualization, Formal analysis, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing

switter@qmu.ac.uk

Affiliations Institute of Global Health and Development & ReBUILD for Resilience, Queen Margaret University, Edinburgh, United Kingdom, Oxford Policy Management, Oxford, United Kingdom

Christopher H. Herbst

Roles Conceptualization, Funding acquisition, Methodology, Writing – review & editing

Affiliation World Bank, Washington, DC, United States of America

Marc Smitz

Roles Conceptualization, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

Affiliation Oxford Policy Management, Oxford, United Kingdom

Mamadou Dioulde Balde

Roles Data curation, Investigation, Methodology, Supervision, Validation, Writing – review & editing

Affiliation Cellule de Recherche en Santé de la Reproduction en Guinée (CERREGUI), Conakry, Guinea

Ibrahim Magazi

Roles Conceptualization, Funding acquisition, Resources, Writing – review & editing

Affiliation World Bank, Washington, DC, United States of America

Rashid U. Zaman

Roles Conceptualization, Formal analysis, Methodology, Project administration, Supervision, Visualization, Writing – review & editing

Affiliation Oxford Policy Management, Oxford, United Kingdom

Competing Interests

This study was funded by a grant from the World Bank. The grant provided support in the form of salaries for the authors, including authors directly employed by the World Bank, and the larger study team, and also funded all field work related expenses. Aside from funding individuals involved in the study, the grant was also used to hire Oxford Policy Management, an international development consulting firm, to support overall study design, data collection and analysis. The specific roles of all authors are articulated in the ‘author contributions’ section Affiliation with the World Bank, Oxford Policy Management, or any other entity involved in the study, does not alter our adherence to PLOS ONE policies in sharing data and materials Please note that the findings, interpretations, and conclusions expressed in this work do not necessarily reflect the views of The World Bank, its Board of Executive Directors, or the governments they represent. The World Bank does not guarantee the accuracy, completeness, or currency of the data included in this work and does not assume responsibility for any errors, omissions, or discrepancies in the information, or liability with respect to the use of or failure to use the information, methods, processes, or conclusions set forth. The boundaries, colors, denominations, and other information shown on any map in this work do not imply any judgment on the part of The World Bank concerning the legal status of any territory or the endorsement or accep¬tance of such boundaries’.