1. Department of Internal Medicine, Wonkwang University Sanbon Hospital, Gunpo, Korea.
2. Department of Orthopaedic Surgery, Chung-Ang University College of Medicine, Seoul, Korea.
3. Department of Orthopaedic Surgery, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea.
4. College of Pharacy and Gachon Institute of Pharamaceutical Sciences, Gachon University, Incheon, Korea.
5. Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, Korea.
6. Big Data Steering Department, National Health Insurance Service, Wonju, Korea.