Department of Cardiology Xijing Hospital Affiliated to Fourth Military Medical University Xi'an Shaanxi 710032 China;
Mayo Clinic 200 First St SW Rochester MN 55905 USA;
Department of Cardiology People's Hopsital Affiliated to Wuhan University Wuhan Hubei 430060 China;
Department of Cardiology Tianjin Chest Hospital Tianjin 300051 China;
Department of Cardiology Xiangya First Affiliated Hospital Central South University Changsha Hunan 410008 China;
Department of Cardiology Changhai Hospital Affiliated to Second Military Medical University Shanghai 200433 China;
Putuo Districit Central Hospital Shanghai 200060 China;
Department of Cardiology Xiangya Third Affiliated Hospital Central South Universtiy Changha Hunan 410008 China;
Xiangtan Central Hospital Xiangtan Hunan 411100 China;
Department of Cardiology FuWai Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100037 China;
Department of Cardiology Shanghai Chest Hospital Affiliated to Shanghai Jiao Tong University School of Medicine Shanghai 200030 China;
Department of Cardiology Shanghai Zhongshan Hospital Affiliated to Shanghai Fudan University School of Medicine Shanghai 200032 China;
Department of Cardiology Peking University People's Hospital Beijing 100044 China;
Saint Joseph's Heart and Vascular Institute and Northside Hospital Atlanta GA USA;