1. Department of Cardiology and Vascular Medicine, Faculty of Medicine, University of Brawijaya, Malang, Indonesia
2. Division of Cardiology, Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan; Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
3. Division of Cardiology, Department of Internal Medicine, National Taiwan University Hospital, Yun-Lin Branch, Yun-Lin, Taiwan