1 Division of Cardiology, Department of Internal Medicine, National Taiwan University College of Medicine, Yun-Lin, Taiwan and Hospital Yun-Lin Branch, Dou-Liu City, Taiwan.
2 Department of Anesthesiology, National Taiwan University Hospital, Taipei, Taiwan.
3 Division of Cardiology, Department of Internal Medicine, National Taiwan University College of Medicine and Hospital, Taipei, Taiwan.
4 Cardiovascular Center, National Taiwan University Hospital, Taipei, Taiwan.
5 Graduate Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei, Taiwan.