1. Department of Occupational Therapy, School of Health Sciences at Narita, International University of Health and Welfare, Chiba, Japan
2. Department of Occupational Therapy, School of Health Sciences, International University of Health and Welfare, Tochigi, Japan
3. Graduate School of Health and Welfare Sciences, International University of Health and Welfare, Tokyo, Japan
4. Department of Psychiatry and Neuroscience, Keio University Graduate School of Medicine, Tokyo, Japan