1. Future Technology Research Centre, National Yunlin University of Science and Technology, Douliou, Yunlin, Taiwan, R.O.C
2. Department of Mathematics, COMSATS University Islamabad, Attock Campus, Islamabad, Pakistan
3. Department of Mathematics, College of Science and Humanities in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj, Saudi Arabia
4. Department of Basic Engineering Science, Faculty of Engineering, Menoufia University, Shebin El-Kom, Egypt
5. Department of Mathematics and Statistics, Riphah International University I-14, Islamabad, Pakistan
6. Department of Mathematics, College of Sciences, King Khalid University, Abha, Saudi Arabia
7. Department of Mathematics, COMSATS University Islamabad, Sahiwal, Pakistan
8. Department of Mathematics, Quaid-I-Azam University 45320, Islamabad, Pakistan