1. Department of Cardiology, The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital, National Center of Gerontology of National Health Commission , No.1 Da Hua Road, Dongcheng District, Beijing 100730 , China
2. Department of Cardiology, State Key Laboratory of Cardiovascular Disease, Cardiovascular Institute, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, and Peking Union Medical College , No.167 Beilishi Road, Xicheng District, Beijing 100037 , China
3. Department of Cardiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University , Guangzhou 510000 , China