Received: 4 August 2018
Accepted: 30 November 2018
First Online: 22 December 2018
Ethics approval and consent to participate
: The Institutional Review Board of Jaramogi Oginga Odinga Teaching and Referral Hospital, Kisumu, Kenya approved the study.
: The first author, PhD. candidate, is a recipient of research funds from National Council of Science, Technology and Innovation (NACOSTI) and has no conflict of interest.
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