1 Saint Francis Catholic Hospital, Okpara Inland, Delta State, Nigeria.
2 Faculty of Clinical Sciences, University of Ilorin, Ilorin, Nigeria.
3 Department of Research, Toufik's World Medical Association, Sumy, Ukraine.
4 Department of Research, Toufik's World Medical Association, Sumy, Ukraine; Medical Institute, Sumy State University, 2, Rymskogo-Korsakova, Sumy 40007, Ukraine.
5 Medical Institute, Sumy State University, Sumy, Ukraine.