1. Department of Physical Therapy, School of Health Sciences, International University of Health and Welfare: 2600-1 Kitakanemaru, Ootawara-shi, Tochigi 324-8501, Japan
2. Hanon Care System Company, Ltd., Japan
3. Division of Rehabilitation, International University of Health and Welfare Hospital, Japan
4. Division of Rehabilitation, International University of Health and Welfare Ichikawa Hospital, Japan
5. Department of Physical Therapy, School of Health Sciences at Odawara, International University of Health and Welfare, Japan
6. Department of Rehabilitation Medicine, School of Medicine, International University of Health and Welfare, Japan