1. School of Information Science and Technology, Yunnan Normal University, Kunming, China
2. Department of Applied Mathematics, Iran University of Science and Technology (IUST), Narmak Tehran, Iran
3. Department of Mathematics, Buein Zahra Technical University, Buein Zahra, Qazvin, Iran
4. Department of Mathematics, Rani Channamma University, Vidya Sangama, Belgavi, India
5. Department of Mathematics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, Lahore, Pakistan
6. Department of Mathematical Sciences, United Arab Emirates University, Al Ain, UAE
7. Department of Mathematics, School of Natural Sciences (SNS), Natural University of Science and Technology, Islamabad, Pakistan