1. Division of Cardiology, Department of Internal Medicine, Gyeongsang National University School of Medicine and Gyeongsang National University Hospital, Republic of Korea
2. Institute of Health Sciences, Gyeongsang National University School of Medicine, Republic of Korea
3. Biomedical Research Institute, Gyeongsang National University Hospital, Republic of Korea
4. Division of Cardiology, Department of Internal Medicine, Gyeongsang National University School of Medicine and Gyeongsang National University Changwon Hospital, Republic of Korea