1. Department of Neurorehabilitation, Graduate School of Health Sciences, Kio University: 4-2-2 Umami-naka, Koryo-cho, Kitakatsuragi-gun, Nara 635-0832, Japan
2. Department of Rehabilitation, Kawachi General Hospital, Japan
3. Department of Physical Therapy, Faculty of Health and Science, Kio University, Japan
4. Queensland Brain Institute, The University of Queensland, Australia
5. Japan Society for the Promotion of Science, Japan