1. Graduate School of Medicine, Saitama Medical University, 981 Kawakado, Moroyama 350-0495, Japan
2. Department of Rehabilitation, Kawagoe Clinic, Saitama Medical University, 7-21 Wakitahontyo, Moroyama 350-0495, Japan
3. School of Physical Therapy, Saitama Medical University, 981 Kawakado, Moroyama 350-0495, Japan