1. Department of Information Management, Chung Yuan Christian University, Taoyuan, Taiwan
2. Department of General Dentistry, Chang Gung Memorial Hospital, Taoyuan, Taiwan
3. Department of Electronic Engineering, Chung Yuan Christian University, Zhongli, Taiwan
4. Department of Electrical Engineering, Ming Chi University of Technology, New Taipei City, Taiwan
5. Department of Electronic Engineering, Feng Chia University, Taichung, Taiwan
6. Department of Information Systems and Computer Science, Ateneo de Manila University, Quezon City, Philippines