1. Division of Cardiology, Department of Medicine, Heart Vascular Stroke Institute, Samsung Medical Center Sungkyunkwan University School of Medicine 81 Irwon‐Ro Gangnam‐gu Seoul 06351 Republic of Korea
2. Divsion of Hematology and Oncology, Department of Medicine, Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Republic of Korea
3. Department of Pathology, Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Republic of Korea