1. Department of Infectious Diseases, Chung-Ang University Hospital, Seoul, Korea.
2. Department of Orthopaedic Surgery, Chung-Ang University Hospital, Seoul, Korea.
3. Department of Laboratory Medicine, Chung-Ang University College of Medicine, Seoul, Korea.
4. Department of Orthopedic Surgery, Seoul National University Bundang Hospital, Seongnam, Korea.
5. Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul, Korea.