[Huang He; Yuan Cong] Cent Hosp Xiangtan City, Dept Cardiol, Xiangtan 411100, Peoples R China.
[Liu Chang-hui; Wu Jie; Jie, W. U.] Univ South China, Affiliated Hosp, Dept Cardiol, Hengyang 421001, Peoples R China.
[Jiang Zhi-sheng] Univ South China, Inst Cardiovasc Dis, Hengyang 421001, Peoples R China.
[Jiang Zhi-sheng] Univ South China, Key Lab Arteriosclerol, Hengyang 421001, Peoples R China.
[Ouyang Ze-wei] Cent Hosp Shaoyang City, Dept Cardiol, Shaoyang 422000, Peoples R China.