1. Department of Orthopaedic Surgery, Teikyo University School of Medicine
2. Trauma and Reconstruction Center, Teikyo University Hospital
3. Department of Orthopaedic Surgery, Iwai Orthopaedic Medical Hospital
4. Department of Orthopaedic Surgery, Teikyo University Chiba Medical Center
5. Department of Orthopaedic Surgery, Ageo Central General Hospital
6. Department of Orthopaedic Surgery, Oono Central Hospital
7. Department of Orthopaedic Surgery, Misato Central General Hospital
8. Department of Orthopaedic Surgery, Shimazaki Hospital
9. Innovation and Research Support Center, International University of Health and Welfare