1. Division of Cardiology, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine National Cheng Kung University Tainan Taiwan
2. Institute of Clinical Medicine, College of Medicine National Cheng Kung University Tainan Taiwan
3. Division of Cardiology, Department of Internal Medicine, National Cheng Kung University Hospital, Dou‐Liu Branch, College of Medicine National Cheng Kung University Yun‐Lin Taiwan