1. Department of Management Information Systems, Central Taiwan University of Science and Technology, Taichung 40601, Taiwan
2. Institute of Biomedical Engineering and Materials Science, Central Taiwan University of Science and Technology, Taichung 40601, Taiwan
3. Department of Nursing, Central Taiwan University of Science and Technology, Taichung 40601, Taiwan
4. Department of Computer Science and Information Engineering, Minghsin University of Science and Technology, Hsinchu 30401, Taiwan