1. Department of Orthopedic Surgery, Dong-A University College of Medicine, Busan, Korea.
2. Department of Orthopaedic Surgery, Dong-Eui Medical Center, Busan, Korea.
3. Department of Ophthalmology, Dong-A University College of Medicine, Busan, Korea.
4. Department of Pathology, Dong-A University College of Medicine, Busan, Korea.
5. Department of Micobiology, Dong-A University College of Medicine, Busan, Korea.