1. School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, Nomi, Japan
2. Center of Excellence in Econometrics, Faculty of Economics, Chiang Mai University, Chiang Mai, Thailand
3. Department of Technology, Dong Nai Technology University, Bien Hoa, Vietnam
4. Faculty of Computer Engineering, The University of Information Technology—Vietnam National University, Ho Chi Minh City (VNUHCM), Ho Chi Minh City, Vietnam