1. Department of Geriatrics the First Affiliated Hospital Sun Yat‐Sen University Guangzhou China
2. Cardiology Department the First Affiliated Hospital Sun Yat‐Sen University Guangzhou China
3. NHC Key Laboratory of Assisted Circulation Sun Yat‐Sen University Guangzhou China
4. Guangzhou Higher Education Mega Center Guangdong Pharmaceutical University Guangzhou China
5. Center for Information Technology & Statistics the First Affiliated Hospital Sun Yat‐Sen University Guangzhou China