1. Swan College, Central South University of Forestry and Technology, Changsha, 410210 Hunan, China
2. Multidisciplinary Center for Infrastructure Engineering, Shenyang University of Technology, Shenyang 110870, China
3. Department of Mathematics and Statistics, Quaid e Azam university, Islamabad, Pakistan
4. Department of Mathematics, Faculty of Arts and Sciences, Yildiz Technical University, Esenler, 34210 Istanbul, Turkey
5. Faculty of Organizational Sciences, University of Belgrade, Belgrade, Serbia
6. Department of Mathematics, University of Aleppo, Aleppo, Syria