1. Faculty of Science, Jiangsu University, Zhenjiang 212013, Jiangsu, People’s Republic of China
2. Department of Mathematics, Abbottabad University of Science and Technology, Abbottabad, Pakistan
3. Department of Mathematics, COMSATS University Islamabad, Wah Campus, 47040, Pakistan
4. Department of Basic Sciences, University of Engineering and Technology, Peshawar, Pakistan
5. Section of Mathematics, International Telematic University Uninettuno, Corso Vittorio Emanuele II, 39,00186 Roma, Italy
6. Department of Basic Sciences, University of Engineering and Technology, Taxila, Pakistan
7. Department of Mathematics, Huzhou University, Huzhou 313000, China
8. Hunan Provincial Key Laboratory of Mathematical Modeling and Analysis in Engineering, Changasha, University of Science & Technology, Changsha 410114, China