Received: 18 June 2021
Accepted: 17 September 2021
First Online: 9 October 2021
: The research was reviewed and approved by the University of Benin Teaching Hospital ethics and research committee (protocol number: ADM/E22/A/VOL.1457). Signed informed consent was obtained from participants’ parents after the nature and purpose of the test was explained to their understanding. Participation was completely voluntary and participant could withdraw at any time.
: Not applicable.
: The authors declare that they have no competing interests.