1 Department of Cardiovascular Surgery, Taipei City Hospital, Zhongxing Branch, Taipei, Taiwan; Division of Hospital Medicine, Taipei City Hospital, Zhongxing Branch, Taipei, Taiwan.
2 Division of Hospital Medicine, Taipei City Hospital, Zhongxing Branch, Taipei, Taiwan; Division of Cardiology, Department of Internal Medicine, Taipei City Hospital, Zhongxing Branch, Taipei, Taiwan.
3 Department of Emergency Medicine, National Taiwan University Hospital, Taipei, Taiwan; Department and Graduate Institute of Medical Education and Bioethics, College of Medicine, National Taiwan University, Taipei, Taiwan; Department of Medical Education, National Taiwan University Hospital, Taipei, Taiwan.
4 Division of Hospital Medicine, Taipei City Hospital, Zhongxing Branch, Taipei, Taiwan; Division of Hospital Medicine, Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan.