1 Division of Pulmonary and Critical Care, 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 Division of Pulmonary and Critical Care, Department of Internal Medicine, Taipei City Hospital, Zhongxing Branch, 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.