1. Department of Rehabilitation, School of Allied Health Sciences, Kitasato University, Sagamihara, Japan.
2. Nishifuna Clinic, Funabashi Orthopedic Hospital, Funabashi, Japan.
3. Department of Physical Therapy, Faculty of Health and Medical Science, Teikyo Heisei University, Tokyo, Japan.
4. Department of Rehabilitation, Kitasato Institute Hospital, Kitasato University, Tokyo, Japan.
5. Department of Orthopedic Surgery, School of Medicine, Kitasato University, Sagamihara, Japan.