1. Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, Korea.
2. Division of Cardiology, Department of Internal Medicine, Jilin Central Hospital, Jilin University, Jilin, China.
3. Department of Laboratory Medicine, Kangwon National University School of Medicine, Chuncheon, Korea.
4. Division of Cardiology, Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea.
5. Department of Thoracic Surgery, Hanyang University Seoul Hospital, Seoul, Korea.