1. Department of Physical Therapy, Kyushu Nutrition Welfare University, 1-5-1 Kuzuhara Takamatsu, Kitakyushu, Fukuoka, Japan
2. Kurume University School of Medicine Graduate School, Asahi-machi, Kurume, Fukuoka, Japan
3. Department of Rehabilitation, Tahara Orthopedic Clinic, Kitakyushu, Japan
4. Department of Physical Therapy, Kitakyushu Rehabilitation College, Fukuoka, Japan