1. Graduate School of Health and Welfare Sciences, International University of Health and Welfare: 2600-1 Kitakanemaru, Ohtawara, Tochigi 324-8501, Japan
2. Department of Occupational Therapy, School of Health Sciences at Narita, International University of Health and Welfare, Japan
3. Department of Occupational Therapy, School of Health Sciences at Ohtawara, InternationalUniversity of Health and Welfare, Japan