Akhiwu, Wilson Oberaifo
Nwafor, Chukwuemeka Charles
Article History
Received: 13 August 2019
Accepted: 2 December 2019
First Online: 23 December 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the University of Uyo Teaching Hospital ethical committee (UUTH/AD/S/96/VOL.XXI/251).
: Not applicable
: The authors declare that they have no competing interests.