1. Cardiology Division of Cardiovascular Medical Center, Far Eastern Memorial Hospital, New Taipei City 22060, Taiwan
2. Chihlee Institute of Technology, New Taipei City 22050, Taiwan
3. Division of Cardiology, Department of Internal Medicine, Taoyuan Armed Forces General Hospital, Taoyuan County 32551, Taiwan
4. Department of Internal Medicine, Tri-Service General Hospital Songshan Branch, National Defense Medical Center, Taipei 10581, Taiwan
5. Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei 10051, Taiwan