Funding for this research was provided by:
World Health Organization (Not Applicable)
Text and Data Mining valid from 2019-09-13
Received: 8 July 2019
Accepted: 28 August 2019
First Online: 13 September 2019
Ethics approval and consent to participate
: The protocol for this study was reviewed and approved by the Federal Capital Territory (FCT, Nigeria) Health Research Ethics Committee (FCT HREC) (Approval Number: FHREC/2019/01/05/21–01-19).
: Not applicable.
: The authors declare that they have no competing interests.