1. Department of Orthopaedic Surgery, Konkuk University School of Medicine, Konkuk University Medical Center, Seoul, Korea
2. Department of Orthopaedic Surgery, Nalgae Hospital, Seoul, Korea
3. Department of Orthopaedic Surgery, Anjung Seoul Jeil Hospital, Pyeongtaek, Korea
4. Department of Laboratory Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul, Korea
5. Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul, Korea