Department of Geriatric Cardiology,Beijing Anzhen Hospital Affiliated to Capital Medical University,Beijing 100029,China;
Department of Emergency,Beijing Daxing District People's Hospital,Beijing 100029,China;
Department of Geriatric Cardiology,Beijing Anzhen Hospital Affiliated to Capital Medical University,Beijing 100029,China;
Department of Geriatric Cardiology,Beijing Anzhen Hospital Affiliated to Capital Medical University,Beijing 100029,China;
Department of Geriatric Cardiology,Beijing Anzhen Hospital Affiliated to Capital Medical University,Beijing 100029,China;
Department of Geriatric Cardiology,Beijing Anzhen Hospital Affiliated to Capital Medical University,Beijing 100029,China;
Department of Geriatric Cardiology,Beijing Anzhen Hospital Affiliated to Capital Medical University,Beijing 100029,China;
Department of Geriatric Cardiology,Beijing Anzhen Hospital Affiliated to Capital Medical University,Beijing 100029,China;
Department of Geriatric Cardiology,Beijing Anzhen Hospital Affiliated to Capital Medical University,Beijing 100029,China;
Department of Geriatric Cardiology,Beijing Anzhen Hospital Affiliated to Capital Medical University,Beijing 100029,China;