Department of Echocardiography, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China;
Department of Radiology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China;
Department of Echocardiography, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China;
Department of Echocardiography, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China;
Department of Echocardiography, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China;
Department of Echocardiography, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China;
Department of Pediatrics, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China;
