1. Department of Mathematics and Statistics, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
2. Department of Mathematics, Government College University, Faisalabad, Pakistan
3. Department of Mathematical Sciences, Fatimah jinnah Women university, Rawalpindi, Pakistan
4. Department of Mathematics, Çankaya University, Ankara, Turkey
5. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
6. Department of Mathematics, King Abdulaziz University, Jeddah, Saudi Arabia
7. Department of Mathematics and Computer Sciences, Faculty of Science, Menoufia University, Shebin Elkom 32511, Egypt