1. Department of Cardiology, The First Affiliated Hospital, Chengdu Medical College, Chengdu, Sichuan 610500, China
2. Sichuan Clinical Research Center for Geriatrics, The First Affiliated Hospital, Chengdu Medical College, Chengdu, Sichuan 610500, China
3. Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education Institutes, Chengdu, Sichuan 610500, China