1. College of Computer Science and Engineering, Shandong University of Science and Technology, Shandong, China
2. School of Computer Science and Technology, Harbin Institute of Technology (Shenzhen), Shenzhen, China
3. Department of Computer Science, Hong Kong Baptist University, Hong Kong
4. College of Management, National Yunlin University of Science and Technology, Yunlin, Taiwan
5. Department of Information and Finance Management, National Taipei University of Technology, Taipei, Taiwan