About the Authors

Emma Michelle Taylor

E.M.Taylor@ed.ac.uk

Affiliation Centre of African Studies, University of Edinburgh, Edinburgh, United Kingdom

Rachel Hayman

Affiliation International NGO Training and Research Centre, Oxford, United Kingdom

Fay Crawford

Affiliation Centre for Population Health Services, University of Edinburgh, Edinburgh, United Kingdom

Patricia Jeffery

Affiliation Sociology, University of Edinburgh, Edinburgh, United Kingdom

James Smith

Affiliation Centre of African Studies, University of Edinburgh, Edinburgh, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Coordinated the systematic review: RH JS. Conceived and designed the experiments: EMT RH FC. Performed the experiments: EMT RH. Analyzed the data: EMT RH FC PJ JS. Wrote the paper: EMT RH FC PJ JS.