1. Department of Medical Education, National Cheng Kung University Hospital, Tainan 704, Taiwan
2. Department of Medical Education, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan
3. School of Physical Therapy and Graduate Institute of Rehabilitation Science, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
4. Department of Physical Rehabilitation, Kaohsiung Armed Forces General Hospital, Kaohsiung 802, Taiwan
5. Professor Lu Neurological Clinic, Taoyuan 333, Taiwan
6. Department of Neurology, Chang Gung Memorial Hospital Linkou, Taoyuan 333, Taiwan
7. School of Medicine, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
8. Neuroscience Research Center, Chang Gung Memorial Hospital Linkou, Taoyuan 333, Taiwan
9. Health Aging Research Center, Chang Gung University, Taoyuan 333, Taiwan