1. Misato Central General Hospital: 4-5-1 Chuo, Misato-shi, Saitama 341-0038, Japan
2. Graduate School of Health Sciences, Ibaraki Prefectural University of Health Sciences, Japan
3. Department of Physical Therapy, Kobe International University, Japan
4. Department of Rehabilitation, Kyushu University of Nursing and Social Welfare, Japan
5. Ibaraki Prefectural University of Health Sciences Hospital, Japan
6. Department of Physical Therapy, Ibaraki Prefectural University of Health Sciences, Japan