1. Rehabilitation Division, Northern Yokohama Hospital, Showa University, Yokohama, Japan
2. Department of Occupational Therapy, School of Nursing and Rehabilitation Sciences, Showa University, Yokohama, Japan
3. Rehabilitation Center, Fujigaoka Rehabilitation Hospital, Showa University, Yokohama, Japan
4. Rehabilitation Medicine, School of Medicine, Showa University, Shinagawa, Japan