1. Department of Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
2. Department of Education, Nippon Ayurveda School, Tokyo, Japan
3. Department of Occupational Therapy, Okayama Institute for Medical and Technical Sciences, Okayama, Japan
4. Department of Occupational Therapy, Mizunaga Rehabilitation Hospital, Okayama, Japan