1. Department of Radiology, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Republic of Korea
2. Department of Radiology, College of Medicine, Yeungnam University, Daegu, Republic of Korea
3. Department of Radiology, Gangnam Healthcare Center, Seoul National University Hospital, Seoul, Republic of Korea
4. Advanced Institutes of Convergence Technology, Seoul National University, Seoul, Republic of Korea
5. Department of Radiology, Kyungpook National University Medical Center, Daegu, Republic of Korea