Received: 8 October 2020
Accepted: 25 November 2020
First Online: 8 December 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Radiology Department Research Ethics Subcommittee of Nnamdi Azikiwe University Teaching Hospital, Nnewi, Nigeria (RAD/EZ/ETH/002/2016).
: Not applicable.
: The authors declare that they have no competing interests.