1. Credit Management Centre, Zhejiang Open University, Hangzhou 310012, China
2. Department of Mathematics, National Institute of Technology, Kurukshetra 136119, India
3. Department of Mathematics, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, India
4. Faculty of Engineering Technology, Amol University of Special Modern Technologies, Amol, Iran
5. Biruni University, Department of Computer Engineering, Istanbul, Turkey
6. Firat University, Science Faculty, Department of Mathematics, 23119 Elazig, Turkey
7. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
8. Department of Mechanical Engineering, College of Engineering, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia