1. Maruki Memorial Medical and Social Welfare Center Rehabilitation Department, Moroyama-Machi, Saitama, Japan
2. Department of Physical Therapy, Faculty of Health & Medical Care, Saitama Medical University Graduate School of Medicine, Saitama, Japan
3. Department of Physical Therapy, Health Science University, Fujikawaguchiko Yamanashi, Japan
4. Saitama Medical University orthopaedic surgery, Moroyama-Town, Saitama, Japan