1. Division of Applied Mathematics, Thu Dau Mot University, Binh Duong Province, Vietnam
2. Department of Mathematics, Çankaya University, 06790, Etimesgut, Ankara, Turkey
3. Department of Medical Research, China Medical University Hospital, China Medical University, 40402, Taichung, Taiwan
4. Institute for Computational and Modeling Science, National Tsing Hua University, Taiwan
5. Department of Mathematics and Computer Sciences, Transilvania University of Brasov, Brasov, Romania