1. Department of Radiology, Korea University Ansan Hospital, Ansan, Republic of Korea.
2. Department of Radiology and Research Institute of Radiological Science, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.
3. Department of Radiology, Eunpyeong St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
4. Department of Radiology, Soonchunhyang University Cheonan Hospital, Cheonan, Republic of Korea.
5. Department of Radiology, College of Medicine, Dong-A University, Busan, Republic of Korea.
6. Department of Radiology and Research Institute of Radiology, Cardiac Imaging Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
7. Department of Radiology, Mie University Graduate School of Medicine, Tsu, Japan.
8. Department of Radiology, Chung-Ang University Hospital, Seoul, Republic of Korea.
9. Division of Cardiology, Department of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand.
10. Department of Radiology, Seoul University Bundang Hospital, Seongnam, Republic of Korea.
11. Department of Radiology, Korea University Guro Hospital, Seoul, Republic of Korea.
12. Department of Radiology, Yonsei University Wonju College of Medicine, Wonju Severance Christian Hospital, Wonju, Republic of Korea.
13. Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
14. Department of Radiology, Korea University Anam Hospital, Seoul, Republic of Korea.
15. Center of Radiology, Bachmai University Hospital, Hanoi, Vietnam.
16. Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea.
17. Department of Radiology and Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.
18. Department of Radiology, Kyungpook National University Hospital, Daegu, Republic of Korea.