[Xiao, Hong; Zeng, Junfa] Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Crit Care Med, Hengyang 421002, Hunan, Peoples R China.
[Zhou, Hong] Univ South China, Affiliated Hosp 1, Hengyang Med Sch, Dept Radiol, Hengyang 421002, Hunan, Peoples R China.
[Zeng, Gaofeng] Univ South China, Affiliated Hosp 2, Hengyang Med Sch,Key Lab Heart Failure Prevent &, Dept Cardiovasc Med,Clin Med Res Ctr Arterioscler, Hengyang 421002, Hunan, Peoples R China.
[Mao, Zhenjiang] Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Gastroenterol, Hengyang 421002, Hunan, Peoples R China.
[Gao, Anbo] Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Clin Res Inst, Hengyang 421002, Hunan, Peoples R China.