1. Department of Physical Therapy, School of Rehabilitation Sciences at Fukuoka, International University of Health and Welfare: 137-1 Enokizu, Okawa-shi, Fukuoka 831-8501, Japan
2. Division of Cognitive Neuropsychology Graduate School of Medicine, Saga University, Japan
3. Department of Rehabilitation, Takaki Hospital, Japan
4. Department of Rehabilitation, Shiroishi Kyouritsu Hospital, Japan