1. Department of Orthopaedic Surgery, University of Virginia School of Medicine, Charlottesville, VA, USA.
2. Department of Orthopaedic Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
3. Department of Orthopaedic Surgery, Lenox Hill Hospital, Northwell Health, New York, NY, USA.
4. Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
5. Department of Orthopaedic Surgery, University of Minnesota Medical School, Minneapolis, MN, USA.
6. Department of Orthopaedic Surgery, Stanford University School of Medicine, Redwood City, CA, USA.
7. Department of Orthopaedic Surgery, Chung-Ang University College of Medicine, Seoul, Korea.
8. Henri-Mondor Hôspital, Creteil, France.
9. Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
10. Department of Orthopedic Surgery, School of Medicine, Kyungpook National University, Daegu, Korea.
11. Department of Orthopedic Surgery, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan.
12. Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, Suita, Japan.
13. Department of Orthopaedic Surgery, Faculty of Medicine, Fukuoka University, Fukuoka, Japan.
14. Department of Orthopaedic Surgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan.
15. Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian, China.
16. Department of Orthopedic Surgery, RWTH University Hospital, Aachen, Germany.
17. Department of Orthopaedic Surgery, Konkuk University College of Medicine, Seoul, Korea.
18. Department of Orthopaedic Surgery, Ewha Womans University College of Medicine, Seoul, Korea.