Text and Data Mining valid from 2018-05-23
Received: 19 July 2017
Accepted: 14 May 2018
First Online: 23 May 2018
Ethics approval and consent to participate
: Permission for the study was obtained from the Kenyatta National Hospital/University of Nairobi ethics and review committee, P699/11/2014.Written informed consent was obtained from the study participants prior to their participation in the study.
: Verbal informed consent for publication was also obtained from the study participants during the study.
: The authors declare that they have no competing interests.
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