Funding for this research was provided by:
National Institutes of Health (RO1 HD075163-01)
Received: 10 March 2017
Accepted: 29 December 2017
First Online: 10 January 2018
Ethics approval and consent to participate
: The study protocol, data collection instruments, and consent forms were approved by the Columbia University Medical Center Institutional Review Board and the Kenya Medical Research Institute Ethics Review Committee. Written informed consent was obtained from all participants prior to study participation.
: Written informed consent was received to publish any de-identified quotes.
: The authors declare that they have no competing interests.
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