Received: 8 August 2017
Accepted: 22 June 2018
First Online: 9 July 2018
Ethics approval and consent to participate
: Ethics approval was obtained from the Health Research and Ethics Committee of University of Nigeria Teaching Hospital Enugu Ituku-Ozalla (NHREC/05/01/2008B).Written informed consent was obtained from participants and only those that gave their consent were interviewed for the study.
: Not applicable
: The authors declare that they have no competing interests.
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