[1] Sun Yat Sen Univ, Dept Cardiol, Affiliated Hosp 1, 58 Zhongshan Rd 2, Guangzhou 510080, Guangdong, Peoples R China
[2] Minist Hlth, Key Lab Assisted Circulat, Guangzhou 510080, Guangdong, Peoples R China
[3] Sun Yat Sen Univ, Dept Rheumatol, Affiliated Hosp 3, Guangzhou 510080, Guangdong, Peoples R China
[4] Sun Yat Sen Univ, Dept Anesthesiol, Affiliated Hosp 1, Guangzhou 510080, Guangdong, Peoples R China