1. Department of Emergency Medicine, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Republic of Korea
2. Department of Radiology, Aerospace Medical Center, Republic of Korea Air Force, Chungcheongbuk-do, Republic of Korea
3. Department of Orthopedic Surgery, Aerospace Medical Center, Republic of Korea Air Force, Chungcheongbuk-do, Republic of Korea
4. Department of Radiology, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Republic of Korea