Received: 2 October 2017
Accepted: 28 December 2017
First Online: 20 February 2018
Ethics approval and consent to participate
: Ethics approval was obtained from the Ethical and Protocol review Committee of the College of Health Sciences, University of Ghana (Protocol Identification Number: CHS-Et/M.4-P4.5/2015-2016). Informed consent was obtained from patients who participated in this study.
: Not applicable
: The authors declare that they have no competing interests.
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