1. Department of Mathematics, University of the Punjab, Lahore, Pakistan
2. Department of Mathematics, Payame Noor University, Tehran, Iran
3. Department of Mathematics, Cankaya University, Balgat, Ankara, Turkey + Institute of Space Sciences, Magurele-Bucharest, Romania
4. Faculty of Engineering Technology, Amol University of Special Modern Technologies, Amol, Iran
5. Department of Computer Engineering, Biruni University, Istanbul, Turkey + Department of Mathematics, Sience Faculty, Firat University, Elazig, Turkey + Department of Medical Research, China Medical University, Taichung, Taiwan
6. Department of Natural Sciences and Humanities, University of Engineering and Technology, Lahore, Pakistan