| Affiliation: | 1. Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea;2. Sungkyunkwan University College of Medicine, Seoul, Korea;3. University of Ulsan College of Medicine, Seoul, Korea;4. Chungbuk National University College of Medicine, Cheongju, Korea;5. Kyungpook National University College of Medicine, Daegu, Korea;6. The Catholic University of Korea, Seoul, Korea;7. Yonsei University College of Medicine, Seoul, Korea;8. Seoul National University Bundang Hospital, Seongnam, Korea;9. Yonsei University Wonju College of Medicine, Wonju, Korea;10. Heart Research Center of Chonnam National University, Gwangju, Korea;11. National Institute of Health (NIH), Osong, Korea |
