Affiliation: | 1. Department of Echocardiography, Shanghai Institute of Cardiovascular Disease, Zhongshan Hospital, Fudan University, Shanghai, China Shanghai Institute of Medical Imaging, Fudan University, Shanghai, China;2. Department of Echocardiography, Shanghai Institute of Cardiovascular Disease, Zhongshan Hospital, Fudan University, Shanghai, China;3. ChengDu Healthcare Security Administration, Sichuan, China |