1. Department of Mathematics, University of Management and Technology, Lahore 54770, Pakistan
2. Department of Physics, University of Management and Technology, Lahore 54770, Pakistan
3. Department of Applied Mathematics, University of Rajshahi, Bangladesh
4. Department of Mathematics, Cankaya University, Etimesgut, Ankara 06790, Turkey
5. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan