Department;
of;
Cardiology,;
Daxing;
Hospital,;
Capital;
University;
of;
Medical;
Sciences,;
Beijing;
102600,;
China;
Cardiac;
Center,;
Beijing;
People's;
Hospital,;
Beijing;
University,;
Beijing;
100044,;
China;
Cardiac;
Center,;
Beifing;
Tongren;
Hospital,;
Capital;
University;
of;
Medical;
Sciences,;
Beijing;
107300,;
China;