[Yan, Jin-quan] Shaoyang Med Coll, Affiliated Hosp, Shaoyang 422000, Hunan, Peoples R China.
[Liu, Qin; Dai, Hao; Tan, Chun-zhi; Zeng, Bin-yuan; Liu, Wei; Jiang, Yu-ping; Nie, Jin] First Peoples Hosp Shaoyang City, Shaoyang 422000, Hunan, Peoples R China.
[Tan, Chun-zhi] Univ South China, Inst Cardiovasc Res, Key Lab Atherosclerol Hunan Prov, Life Sci Res Ctr, Hengyang 421001, Hunan, Peoples R China.
[Wu, Jin-hua] Nanhua Univ, Affiliated Hosp 2, Hengyang 421001, Hunan, Peoples R China.
[Zhang, Dong-cui] Hunan Prov Geriatr Hosp, Changsha 410000, Hunan, Peoples R China.