1. Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea.
2. Department of Radiology, Ilsan Paik Hospital, Inje University College of Medicine, Goyang 10380, Korea.
3. Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea.
4. Department of Cardiology, Sarawak General Hospital Heart Centre, Sarawak 93586, Malaysia.
5. Department of Radiology, Mount Elizabeth Hospital, Singapore 228510, Singapore.
6. Department of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Korea.
7. Department of Radiology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Korea.
8. Department of Radiology, Chonnam National University Hospital, Gwangju 61469, Korea.
9. Department of Diagnostic Radiology, Keio University, Tokyo 9608582, Japan.
10. Department of Radiology, Kyungpook National University Hospital, Daegu 41944, Korea.
11. Department of Radiology, Hong Kong College of Radiologists, Hong Kong 251114, China.
12. Department of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea.
13. Department of Radiology, Fuwai Hospital, Chinese Academy of Medical Science & Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing 100037, China.
14. Department of Radiology, Myongji Hospital, Goyang 10475, Korea.
15. Department of Radiology, Mie University Hospital, Mie 5148507, Japan.
16. Department of Cardiology, National Heart Centre Singapore, Singapore 169609, Singapore.
17. Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital at Linkou, Institute for Radiological Research, College of Medicine, Chang Gung University, Taoyuan 33305, Taiwan.
18. Department of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China.
19. Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, Seoul 08308, Korea.