1. Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea;
2. Department of Radiology, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea;
3. Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea;
4. Department of Medical Education, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea