1. Department of Mathematics, Jashore University of Science and Technology, Jashore 7408, Bangladesh
2. Department of Applied Mathematics, University of Rajshahi, Rajshahi 6205, Bangladesh
3. Department of Computer Engineering, Biruni University, Istanbul, Turkey
4. Department of Mathematics, Firat University, Elazig, Turkey
5. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan