- Correspondence to Professor Hyung-Kwan Kim, Internal Medicine, Seoul National University Hospital, Seoul, 03080, Republic of Korea; ; Dr Sang Chol Lee, Cardiovascular Medicine/Cardiovascular Imaging Specialist, Sungkyunkwan University School of Medicine/Samsung Medical Center Cardiovascular Imaging Center 135-710, Seoul, Korea;
- Received March 30, 2019
- Revised July 7, 2019
- Accepted July 11, 2019
- First published August 5, 2019.
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