1. Sensory and Motor Control, Graduate School of Medical Sciences, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara-shi 252-0373, Japan
2. Physical Therapy Course, Department of Rehabilitation, School of Allied Health Sciences, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara-shi 252-0373, Japan
3. Department of Rehabilitation, Zama General Hospital, 1-50-1 Soubudai, Zama-shi 252-0011, Japan
4. Department of Rehabilitation Medicine, St. Marianna University School of Medicine Hospital, 2-16-1 Sugao, Miyamae-ku, Kawasaki-shi 216-8511, Japan
5. Department of Hygiene and Public Health, Osaka Medical and Pharmaceutical University, 2-7 Daiga-kumachi, Takatsuki-shi, Osaka 596-8686, Japan
6. Department of Rehabilitation, Juntendo University Urayasu Hospital, 2-1-1 Tomioka, Urayasu-shi 279-0021, Japan