1. Department of Physical Therapy, Fukuoka Rehabilitation College, Hakata-ku, Fukuoka, Japan
2. Kurume University School of Medicine Graduate School, Kurume, Fukuoka, Japan
3. Faculty of Health Science, Kyoto Tachibana University, Yamashina-ku, Kyoto, Japan
4. Department of Orthopedic Surgery, Kurume University Medical Center, Kurume, Fukuoka, Japan
5. Department of Physical Therapy, Technical School of Medical and Welfare Ryokuseikan, Tosu, Saga, Japan
6. Department of Orthopedic Surgery, Kurume University, Kurume, Fukuoka, Japan