1. Department of Mathematics and Sciences, College of Humanities and Sciences, Prince Sultan University, Riyadh 11586, Saudi Arabia
2. NUTECH, School of Applied Sciences and Humanities, National University of Technology, Islamabad 44000, Pakistan
3. Department of Mathematics and Statistics, International Islamic University, Islamabad 44000, Pakistan
4. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan
5. Department of Mathematics, Faculty of Science, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan
6. Department of Mathematics and Sciences, Dhofar University, Salalah 211, Oman
7. Department of Mathematics, University of Education, Lahore, Attock Campus 43600, Pakistan