1. Division of Cardiology, Department of Internal Medicine E‐Da Hospital, I‐Shou University Kaohsiung Taiwan
2. Department of Internal Medicine, College of Medicine Fu Jen Catholic University New Taipei City Taiwan
3. Division of Cardiology, Department of Internal Medicine, Shuang Ho Hospital Taipei Medical University No. 291, Jhongzheng Road, Jhonghe District New Taipei City 23561 Taiwan
4. School of Medicine Taipei Medical University Taipei Taiwan