1. Program in Physical and Occupational Therapy, Nagoya University Graduate School of Medicine, Nagoya 461-8673, Japan
2. Welfare Department, CO-OP AICHI Consumer Cooperative Society, Toyokawa 442-0838, Japan
3. Welfare Department, CO-OP KANAGAWA Consumer Cooperative Society, Makoto, Yokohama 225-0014, Japan
4. Department of Rehabilitation Science, Nagoya University Graduate School of Medicine, 1-1-20 Daiko-Minami, Nagoya 461-8673, Japan