1. Department of Mathematics and Statistics, The University of Lahore, Lahore 54590, Pakistan
2. Institute of Mathematics, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan 64200, Pakistan
3. Department of Computer Science and Mathematics, Lebanese American University, Beirut 5053, Lebanon
4. Mathematics Research Center, Department of Mathematics, Near East University, Near East Boulevard, Nicosia, Mersin 99138, Turkey
5. Department of Mathematics, Art and Science Faculty, Siirt University, Siirt 56100, Turkey
6. Department of Electricity and Electronics, Institute of Research and Development of Processes, Faculty of Science and Technology, University of the Basque Country, 48940 Leioa, Spain