1. Graduate Institute of Clinical Medical Science, School of Medicine, China Medical University, Taichung 404, Taiwan
2. School of Dentistry, College of Dentistry, China Medical University, Taichung 404, Taiwan
3. Department of Post-Baccalaureate Veterinary Medicine, Asia University, Taichung 413, Taiwan
4. Department of Physical Therapy, Asia University, Taichung 413, Taiwan
5. Department of Biomedical Engineering, College of Biomedical Engineering, China Medical University, Taichung 404, Taiwan