1. Department of Social and Behavioral Sciences, National University of Medical Sciences, Rawalpindi 46000, Pakistan
2. Department of Mathematics, Quaid-I-Azam University, Islamabad 44000, Pakistan
3. Department of Mathematics, Quaid-I-Azam University, Islamabad 44000, Pakistan; Nonlinear Analysis and Applied Mathematics (NAAM) Research Group, Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
4. Nonlinear Analysis and Applied Mathematics (NAAM) Research Group, Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia