1. Department of Rehabilitation Sciences, Kitasato University Graduate School of Medical Sciences , 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa 252-0375 , Japan
2. Department of Cardiovascular Rehabilitation, National Cerebral and Cardiovascular Center , 6-1 Kishibe-Shimmachi, Suita, Osaka 564-8565 , Japan
3. Department of Rehabilitation, School of Allied Health Sciences, Kitasato University , 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa 252-0329 , Japan