**Author details**

Symeon Nikolaou\* and Abdul Quddious Frederick University and Frederick Research Center, Nicosia, Cyprus

\*Address all correspondence to: s.nikolaou@frederick.ac.cy

© 2019 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.
