Funding for this research was provided by:
Department for International Development (PO6256)
Received: 5 February 2019
Accepted: 31 October 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: The George Washington University’s Institutional Review Board fully approved the research protocol of the study. IRB# 021635.
: Not applicable.
: The authors declare that they have no competing interests.