1. Department of Physical Therapy, School of Health Science, International University of Health and Welfare, Tochigi, Japan
2. Rehabilitation Progress Center Incorporated, Tokyo, Japan
3. Division of Rehabilitation, International University of Health and Welfare Hospital, Tochigi, Japan
4. Division of Rehabilitation, International University of Health and Welfare Ichikawa Hospital, Chiba, Japan
5. Department of Rehabilitation Medicine, School of Medicine, International University of Health and Welfare, Chiba, Japan