1. Department of Rehabilitation Medicine, Keio University School of Medicine, 35 Shinanomachi, Shjinjuku-ku, Tokyo, Japan
2. Graduate Course of Health and Social Work, Kanagawa University of Human Services, 1-10-1 Heisei-cho, Yokosuka, Kanagawa, Japan
3. Department of Rehabilitation, Asahikawa Rehabilitation Hospital, Shindo Medical Corporation, Midorigaoka Higashi 1-1-chome, Asahikawa-shi, Japan
4. Department of Rehabilitation, Shinsapporo Neurosurgical Hospital, Medical Corporation, 1-2-1-10 Kaminopporo, Atsubetsu-ku, Sapporo-shi, Japan
5. Department of Physical Therapy, Faculty of Human Science, Hokkaido Bunkyo University, 5-196-1, Koganechuo, Eniwa-shi, Japan
6. Department of Physical Therapy, Faculty of Health Sciences Graduate School of Health Sciences, Tokyo Metroporitan University, 7-2-10 Higashi-Ogu, Arakawa-ku, Tokyo, Japan