1. College of Pharmacy and Gachon Institute of Pharmaceutical Sciences, Gachon University, Incheon, Korea.
2. Department of Internal Medicine, Cheil General Hospital & Women's Healthcare Center, Dankook University College of Medicine, Seoul, Korea.
3. Department of Orthopaedic Surgery, Inje University College of Medicine, Seoul Paik Hospital, Seoul, Korea.
4. Department of Orthopaedic Surgery, Chung-Ang University College of Medicine, Seoul, Korea.