1. Department of Orthopedic Surgery, Keio University, School of Medicine
2. Department of Orthopedic Surgery, Fujita Health University
3. Department of Orthopedic Surgery, Hamamatsu University, School of Medicine
4. Department of Orthopedic Surgery, Kitasato University, School of Medicine
5. Department of Orthopaedic Surgery, Kansai Medical University Medical Center
6. Department of Orthopedic Surgery, Graduate School of Medicine, Chiba University
7. Department of Orthopaedic Surgery and Spinal Surgery, The University of Tokyo
8. Department of Orthopedic Surgery, Tokai University School of Medicine
9. Department of Orthopedics, Institute of Biomedical Sciences, Tokushima University Graduate School
10. Department of Orthopedic Surgery, Dokkyo Medical University
11. Department of Orthopedic Surgery, Kinki University, Nara Hospital
12. Department of Orthopedics, Traumatology and Spine Surgery, Kawasaki Medical School
13. Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine
14. Department of Orthopedic Surgery, Graduate School, Tokyo Medical and Dental University
15. Department of Orthopedic Surgery, Osaka-Rosai Hospital
16. Department of Orthopaedic Surgery, Graduate School of Medicine, University of Yamanashi
17. Department of Orthopedic Surgery, Konan Kosei Hospital
18. Department of Orthopedic Surgery, Kyorin University, School of Medicine