Received: 8 October 2018
Accepted: 20 March 2019
First Online: 30 March 2019
Ethics approval and consent to participate
: Ethical approval for this study was obtained by the data originators from the Nigeria National Ethics Committee (NHREC/2008/07), functioning under the Ministry of Health. An informed consent was obtained from all the study participants after describing to them all the issues related to the study in details at the point of data collection. Each consented participants was made to sign an appropriate agreement form before the interview.
: Not applicable.
: The author declares that he has no competing interests.
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