1. International Graduate School of Artificial Intelligence, National Yunlin University of Science and Technology, Yunlin, Taiwan
2. Department of Computer Science and Technology, Harbin Institute of Technology, Shenzhen, China
3. Department of Computer Engineering, Sharif University of Technology, Tehran, Iran
4. School of Economics and Statistics, Guangzhou University, Guangzhou, China
5. Department of Computer Science and Engineering, USM Engineering Campus, George Town, Pulau Pinang, Malaysia