1 Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, Republic of Korea.
2 Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, Republic of Korea. Electronic address: swhanepdoc@gmail.com.
3 Division of Cardiology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea.
4 Division of Cardiology, Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea.
5 Division of Cardiology, Department of Internal Medicine, Samsung Medical Center, Seoul, Republic of Korea.
6 Division of Cardiology, Department of Internal Medicine, Asan Medical Center, Seoul, Republic of Korea.
7 Division of Cardiology, Department of Internal Medicine, Daegu Catholic Medical Center, Daegu, Republic of Korea.
8 Division of Cardiology, Department of Internal Medicine, Yeungnam University Medical Center, Daegu, Republic of Korea.
9 Division of Cardiology, Department of Internal Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea.
10 Division of Cardiology, Department of Internal Medicine, Korea University Medical Center, Seoul, Republic of Korea.
11 Division of Cardiology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.