1. Department of Physical Therapy, Faculty of Health Sciences, Mejiro University: 320 Ukiya, Iwatsuki-ku, Saitama-city, Saitama 339-8501, Japan
2. Department of Rehabilitation, Misato Central General Hospital, Japan
3. Graduate School of Health Sciences, Ibaraki Prefectural University of Health Sciences, Japan
4. Department of Physical Therapy, Ibaraki Prefectural University of Health Sciences, Japan