1. ETSI Division of Applied Mathematics, Thu Dau Mot University, Thủ Dầu Một, Binh Duong Province, Vietnam
2. Department of Medical Research, China Medical University, Taichung, Taiwan
3. Department of Mathematics, Çankaya University, Ankara 06790, Turkey
4. Nonlinear Analysis Research Group, Ton Duc Thang University, Ho Chi Minh City, Vietnam
5. Faculty of Mathematics and Statistics, Ton Duc Thang University, Ho Chi Minh City, Vietnam
6. Department of Mathematics and Computer Sciences, Transilvania University of Brasov, Brasov, Romania