1. Department of Mathematics, Faculty of Science, Firat University, Elazig, Turkey
2. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
3. Department of Mathematics, College of Science, University of Bisha, Bisha, Saudi Arabia
4. Department of Mathematics, Faculty of Science, Damanhour University, Damanhour, Egypt
5. Theoretical Research Group, Physics Department, Faculty of Science, Mansoura University, 35516 Mansoura, Egypt
6. Department of Mathematics, Huzhou University, Huzhou 313000, China
7. Hunan Provincial Key Laboratory of Mathematical Modeling and Analysis in Engineering, Changsha University of Science & Technology, Changsha 410114, China