1. International Graduate Institute of Artificial Intelligence, National Yunlin University of Science and Technology, Yunlin, Taiwan
2. Electrotechnics and Telecommunications Department, ADiT-Laboratory, Instituto Politécnico de Viana do Castelo, Porto, Portugal
3. Department of Computer Engineering, Sharif University of Technology, FM4 Tehran, Iran
4. Department of Computer Science and Technology, Harbin Institute of Technology, Shenzhen, China
5. Department of Computer Science and Engineering, USM Engineering Campus, George Town, Pulau Pinang, Malaysia