1. Department of Mathematics, University of Sargodha, Sargodha, Pakistan
2. Department of Mathematics, Prince Sultan University, Riyadh, Saudi Arabia
3. Department of Medical Research, China Medical University, Taichung 40402, Taiwan
4. Department of Computer Science and Information Engineering, Asia University, Taichung 40402, Taiwan
5. Department of Mathematics and Statistics, Hazara University, Mansehra, Pakistan
6. Department of Mathematics, College of Arts and Sciences, Prince Sattam Bin Abdulaziz University, Wadi Aldawaser, Saudi Arabia