**Author details**

Iman Almomani1,2\* and Mamdouh Alenezi1

1 Prince Sultan University, Riyadh, KSA

2 The University of Jordan, Amman, Jordan

\*Address all correspondence to: imomani@psu.edu.sa

© 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.
