[1
]
Department of Cardiology, Second Affiliated Hospital, College of Medicine, Zhejiang
University, Hangzhou, Zhejiang 310009, China.
[2
]
Department of Echocardiography, Second Affiliated Hospital, College of Medicine, Zhejiang
University, Hangzhou, Zhejiang 310009, China.
[3
]
Harvard T.H. Chan School of Public Health. United States.
[4
]
Department of Cardiology, Second Affiliated Hospital, College of Medicine, Zhejiang
University, Hangzhou, Zhejiang 310009, China. Electronic address: jian_an_wang@yahoo.com.