1. Department of Orthopedics, Tokushima University
2. Department of Orthopaedic Surgery/Rheumatology, Nagoya University Graduate School of Medicine
3. Department of Orthopedic Surgery, Toho University School of Medicine
4. Department of Orthopaedic Surgery, Kitasato University, School of Medicine
5. Department of Orthopaedic Surgery, Tohoku University School of Medicine
6. Department of Orthopedic Surgery, Fukushima Medical University
7. Department of Orthopedics, Hoshigaoka Medical Center
8. Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences
9. Department of Orthopaedic Surgery, Konan Kosei Hospital
10. Department of Orthopedics, University of Toyama
11. Department of Orthopedics, Nagasaki Rosai Hospital
12. Hokkaido Spinal Cord Injury Center
13. Department of Orthopaedic Surgery, Osaka Metropolitan University Graduate School of Medicine
14. Department of Orthopedics, Traumatology and Spine Surgery, Kawasaki Medical School
15. Department of Orthopedic Surgery, Graduate School of Medicine, University of the Ryukyus
16. Department of Orthopedic Surgery, Akita University Graduate School of Medicine
17. Department of Orthopaedic Surgery, Nagoya City University
18. Division of Geriatric Musculoskeletal Health, Hamamatsu University School of Medicine
19. Spine Center, Nagoya Kyoritsu Hospital