[1]Gen Hosp Shenyang Mil, Shenyang, Liaoning, Peoples R China.
[2]Inner Mongolia Peoples Hosp, Hohhot, Peoples R China.
[3]Baotou Univ, Affiliated Hosp 1, Baotou, Peoples R China.
[4]Sichuang Univ, West China Med Hosp, Chengdu, Sichuan, Peoples R China.
[5]CAMS, Fuwaui Hosp, Natl Ctr Cardiovasc, Beijing, Peoples R China.
[6]PUMC, Beijing, Peoples R China.
[7]Jilin Univ, Hosp 1, Changchun, Jilin, Peoples R China.
[8]Lanzhou Univ, Hosp 1, Lanzhou, Gansu, Peoples R China.
[9]Cent S Univ, Xiangya Hosp 2, Changsha, Hunan, Peoples R China.
[10]TEDA Int Cardiovasc Hosp, Tianjin, Peoples R China.
[11]Shanxi Med Univ, Hosp 2, Taiyuan, Shanxi, Peoples R China.
[12]Nanchang Univ, Affiliated Hosp 2, Nanchang, Jiangxi, Peoples R China.
[13]Shanghai Ninth Peoples Hosp, Shanghai, Peoples R China.
[14]Inner Mongolia Med Univ, Affiliated Hosp 1, Hohhot, Peoples R China.
[15]Zhejiang Univ, Sir Run Run Shaw Hosp Med, Hangzhou, Zhejiang, Peoples R China.
[16]Cent S Univ, Xiangya Hosp 3, Changsha, Hunan, Peoples R China.
[17]Xi An Jiao Tong Univ, Affiliated Hosp 1, Xian, Shaanxi, Peoples R China.