1. Department of Physical Therapy, Kobe International University, Hyogo, Japan.
2. Department of Rehabilitation, Kyushu University of Nursing and Social Welfare, Kumamoto, Japan.
3. Department of Physical Therapy, Ibaraki Prefectural University of Health Sciences Hospital, Ibaraki, Japan.
4. Department of Rehabilitation, Misato Central General Hospital, Misato, Japan.
5. Department of Physical Therapy, Ibaraki Prefectural University of Health Sciences, Ibaraki, Japan.