1. Department of Mathematics and Statistics, International Islamic University Islamabad, Islamabad, Pakistan
2. Department of Mathematics, Faculty of Arts and Sciences Yildiz Technical University, Esenler 34210, Istanbul, Turkey
3. Faculty of Organizational Sciences, University of in Belgrade, Belgrade, Serbia
4. University of Massachusetts Medical School (UMASS), Worcester MA 01655, MA, USA
5. College of Education, Applied Sciences and Arts Amran University, Amran, Yemen