1. Department of Cardiovascular Medicine, The Third Affiliated Hospital Sun Yat‐sen University Guangzhou China
2. Cardiology Department, First Affiliated Hospital Sun Yat‐Sen University Guangzhou China
3. NHC Key Laboratory of Assisted Circulation Sun Yat‐Sen University Guangzhou China
4. Department of Ultrasonography, The Third Affiliated Hospital Sun Yat‐sen University Guangzhou China