1. School of Management, Guangdong University of Science and Technology, Dongguan, China
2. School of Computer Science and Communication Engineering, Jiangsu University, Zhenjiang, China
3. Faculty of Electrical, Information and Communication Engineering, Kanazawa University, Kanazawa, Japan
4. School of Intelligent Information Engineering, Guangdong Vocational College of Hotel Management, Dongguan, China
5. School of Public Affairs, University of Science and Technology of China, Hefei, China