1. Department of Rehabilitation, Kimura Orthopedic Clinic, Kumagaya, Japan
2. Saitama Medical University Graduate School of Medicine, Moroyama, Japan
3. Department of Rehabilitation, Saitama Medical Center, Saitama Medical University, Kawagoe, Japan
4. Department of Orthopedic Surgery, Saitama Medical Center, Saitama Medical University, Kawagoe, Japan