1. Department of Mathematics, University of Swabi, Swabi 23561, KPK Pakistan
2. King Abdulaziz University, College of Science & Arts, Department of Mathematics, Rabigh, Saudi Arabia
3. Department of Medical Research, China Medical University, 40402 Taichung, Taiwan
4. Department of Mathematics, Firat University 23119 Elazig, Turkey
5. Mathematical Modelling and Applied Computation Research Group (MMAC), Department of Mathematics, King Abdulaziz University, P. O. Box 80203, Jeddah 21589, Saudi Arabia
6. Department of Mathematics, Sheikh Taimur Academic Block-Ⅱ, University of Peshawar, 25120, Khyber Pakhtunkhwa, Pakistan