Funding for this research was provided by:
World Bank Group (126974)
Foundation for the National Institutes of Health (D43TW010130)
Received: 4 July 2019
Accepted: 23 July 2020
First Online: 11 August 2020
Ethics approval and consent to participate
: The Institutional Health Research Ethical Committee of the Jos University Teaching Hospital, Jos, Nigeria (reference number: JUTH/DCS/ADM/127/XIX/6058) approved the protocol of this study and granted permission to access the data used for this research.
: Not Applicable.
: The authors declare that they have no competing interests.