| Institution: | 1. Department of Geriatric Cardiology, Nanlou Division, Chinese PLA General Hospital, Beijing 100853, China;2. National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, China;3. Health Division of Guard Bureau, Joint Staff of the Central Military Commission, Beijing 100017, China;4. Department of Cardiology, Internal Medicine Division, Chinese PLA general Hospital, 28 Fuxing Road, Haidian District, Beijing 100853, China;2. Department of Anesthesiology and Critical Care, Hospital of the University of Pennsylvania, Philadelphia, PA;3. Department of Connected Health, University of Pennsylvania Health System, Philadelphia, PA;4. Leonard Davis Institute for Health Economics, University of Pennsylvania, Philadelphia, PA |
