[Ma, Xiaofeng] Univ South China, Dept Cardiol, Affiliated Nanhua Hosp, Hengyang 421001, Peoples R China.
[Qu, Kai; Ma, Xiaofeng; Liu, Yami; Wang, Zuo] Univ South China, Inst Cardiovasc Dis, Key Lab Atherosclerol Human Prov, Hengyang 421001, Peoples R China.
[Tan, Yanmei] Changde Vocat Tech Coll, Dept Pathol, Changde 415000, Peoples R China.
[He, Xinglan] Women & Children Healthcare Hosp Zhu Zhou, Zhuzhou 412000, Peoples R China.
[Zhang, Hai] Univ South China, Dept Pathol, Affiliated Hosp 1, Hengyang 421001, Peoples R China.