1. Department of Electrical Engineering, Chang Gung University, Taoyuan 33302, Taiwan
2. Neuroscience Research Center, Chang Gung Memorial Hospital, Linkou, Taoyuan 33305, Taiwan
3. Department of Occupational Therapy and Graduate Institute of Behavioral Sciences, Chang Gung University, Taoyuan 33302, Taiwan
4. Division of Occupational Therapy, Department of Rehabilitation, Chiayi Chang Gung Memorial Hospital, Chiayi 61363, Taiwan
5. School of Physical Therapy and Graduate Institute of Rehabilitation Science, Chang Gung University, Taoyuan 33302, Taiwan
6. Department of Electronic Engineering, Chang Gung University, Taoyuan 33302, Taiwan
7. Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Linkou, Taoyuan 33305, Taiwan
8. Healthy Aging Research Center, Chang Gung University, Taoyuan 33302, Taiwan