Received: 25 June 2019
Accepted: 26 December 2019
First Online: 2 January 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Ethics and Research Committee of Sokoto State Ministry of Health (Reference Number-SHM/1580/VIV). Informed written consent was obtained from the study participants before the commencement of the study. Participants were informed that participation was entirely voluntary and were given the option of voluntary withdrawal of their participation at any stage of the study without sanction or penalty. Information obtained from the respondents was treated as confidential. Data was de-identified at analysis, and password protected with only access granted to the Principal Investigator.
: Not applicable.
: The authors declare that they have no competing interests.