1. Department of Echocardiography (A.L., H.X., F.T., H.W., Y.L., W.L., L.T., N.Z., X.S.), Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, China.
2. Department of Cardiology (A.L., H.X., P.B., H.W., X.S.), Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, China.
3. Department of Ultrasound Medicine, The Affiliated Hospital of Guizhou Medical University, Guiyang, China (F.T.).
4. Department of Cardiology, Changhai Hospital, Naval Medical University, Shanghai, China (H.Y.).
5. epartment of Echocardiography, Shanghai Xuhui District Central Hospital, China (X.S.).