1. Department of Occupational Therapy, Faculty of Health Sciences, Yamagata Prefectural University of Health Sciences, Yamagata, Japan
2. Department of Rehabilitation, Niigata Rehabilitation Hospital, Niigata, Japan
3. Department of Occupational Therapy, Faculty of Rehabilitation, Niigata University Health and Welfare, Niigata, Japan
4. Department of Rehabilitation, Nakaizu Rehabilitation Center, Shizuoka, Japan
5. Department of Rehabilitation Medicine, Kikyogahara Hospital, Nagano, Japan