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