1. Department of Physical Therapy, School of Health Science, International University of Health and Welfare, Otawara-shi, Tochigi, Japan
2. Department of Nursing, Hanon Care System Company, Limited, Suginami-ku, Tokyo, Japan
3. Division of Rehabilitation, International University of Health and Welfare Hospital, Nasushiobara-shi, Tochigi, Japan
4. Division of Rehabilitation, International University of Health and Welfare Ichikawa Hospital, Ichikawa-shi, Chiba, Japan
5. Department of Rehabilitation Medicine, School of Medicine, International University of Health and Welfare, Narita-shi, Chiba, Japan