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