1. Department of Trauma Surgery, Pusan National University Hospital Trauma Center, Biomedical Research Institute, Pusan National University School of Medicine, Busan, Korea
2. Department of Orthopedic Surgery, Pusan National University Hospital Trauma Center, Biomedical Research Institute, Pusan National University School of Medicine, Busan, Korea
3. Department of Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Biomedical Research Institute, Pusan National University School of Medicine, Busan, Korea