1. Department of Rehabilitation Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
2. Department of Rehabilitation Medicine, Juntendo University Nerima Hospital, Tokyo, Japan
3. Department of Rehabilitation Medicine, Juntendo University Urayasu Hospital, Tokyo, Japan
4. Department of Neurology, Juntendo University Hospital, Tokyo, Japan
5. Department of Research and Therapeutics for Movement Disorders, Juntendo University Graduate School of Medicine, Tokyo, Japan
6. Department of Neurosurgery, Juntendo University Hospital, Tokyo, Japan
7. Department of Neurology, Juntendo University Nerima Hospital, Tokyo, Japan
8. Department of Physical Therapy, Juntendo University Faculty of Health Science, Tokyo, Japan