1. Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, Korea.
2. Department of Psychiatry, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, Korea.
3. Department of Psychiatry and Neuroscience Research Institute, Seoul National University College of Medicine, Seoul, Korea.
4. Department of Orthopaedic Surgery, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, Korea.
5. Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul, Korea.