Institution: | 1.Fujian Medical University Union Hospital, Fuzhou, Fujian, China;2.Department of Cardiology, The Central Hospital of Enshi Autonomous Prefecture, Enshi, Hubei, China;3.Department of Geriatrics, Fujian Medical University Union Hospital, Fuzhou, Fujian, China;4.Department of Emergency Medicine, Fujian Medical University Union Hospital, Fuzhou, Fujian, China;5.Department of Cardiology, Fujian Medical University Union Hospital, Fuzhou, Fujian, China |