1. Future Technology Research Center, National Yunlin University of Science and Technology, Douliou, Taiwan
2. Department of Mathematics, COMSATS University Islamabad, Islamabad, Pakistan
3. Department of Mathematics and Statistics, Riphah International University I-14, Islamabad, Pakistan
4. Department of Mechanical Engineering, Lebanese American University, Beirut, Lebanon
5. Department of Studies and Research in Mathematics, Davangere University, Davangere, India
6. Department of Studies in Mathematics, Government Science College, Chitradurga, India