1. Department of Pathology, Incheon Sejong Hospital, Incheon, Korea
2. Department of Pathology, Seoul National University, Seoul, Korea
3. Department of Pathology and Translational Genomics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
4. Heart Institute, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
5. Department of Pediatrics, Bucheon Sejong Hospital, Bucheon, Korea
6. Department of Internal Medicine, National Yang Ming Chiao Tung University and NYCU Hospital, Yilan, Taiwan
7. Department of Thoracic and Cardiovascular Surgery, Sejong General Hospital, Bucheon, Korea
8. Cardiac Electrophysiology Lab Seoul National University Cardiovascular Center, Department of Internal Medicine, Seoul National University, Seoul, Korea