**Author details**

Siphamandla C. Masikane and Neerish Revaprasadu\* University of Zululand, KwaDlangezwa, South Africa

\*Address all correspondence to: revaprasadun@unizulu.ac.za

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
