1. Department of Electronic Engineering and Graduate Institute of Computer and Communication Engineering, National Taipei University of Technology, Taipei, Taiwan
2. Department of Management Information Systems, Hwa Hsia University of Technology, New Taipei City, Taiwan
3. Department of Physical Medicine and Rehabilitation, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
4. Department of Applied Mathematics, Chinese Culture University, Taipei, Taiwan
5. Department of Digital Technology Design, National Taipei University of Education, Taipei, Taiwan