1. Department of Biophysics, Kobe University Graduate School of Health Sciences, Kobe, Japan
2. Division of Rehabilitation Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
3. Department of Orthopedics, Kohnan Kakogawa Hospital, Kakogawa, Japan
4. Department of Rheumatology, Kobe Kaisei Hospital, Kobe, Japan
5. Department of Orthopedic Surgery, Kobe Kaisei Hospital, Kobe, Japan