Funding for this research was provided by:
International Initiative for Impact Evaluation
Article History
Received: 30 November 2017
Accepted: 8 May 2018
First Online: 25 May 2018
Ethics approval and consent to participate
: Ethical approval for the study was obtained from the Institutional Review Board of the Population Council (Protocol 727) and AMREF Ethics and Scientific Review Committee (AMREF-ESRC P222/2016).
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.