1. School of Mathematical Science, Universiti Sains Malaysia, Penang, George Town, Malaysia
2. Department of Mathematics, College of Science, University of Ha’il, Hail, Saudi Arabia
3. Department of Basic Sciences, College of Science and Theoretical Studies, Saudi Electronic University, Riyadh 11673, Saudi Arabia
4. Department of Risk Management and Insurance, Faculty of Business, The University of Jordan, Amman, Jordan
5. College of Computing and Informatics, Saudi Electronic University, Riyadh 11673, Saudi Arabia