[He, Jun; Wu, Peng; Yin, Caiyan; He, J] Univ South China, Affiliated Nanhua Hosp, Hengyang Med Sch, Dept Clin Lab, Hengyang 421001, Hunan, Peoples R China.
[Yin, Caiyan; Wu, Peng] Hengyang Maternal & Child Hlth Hosp, Hengyang 421001, Hunan, Peoples R China.
[He, Jun; Yu, Jianwei] Univ South China, Coll Publ Hlth, Hengyang Med Sch, Dept Publ Hlth Lab Sci, Hengyang 421001, Hunan, Peoples R China.
[Liu, Gaohua] Univ South China, Affiliated Hosp 1, Inst Clin Med, Hengyang Med Sch, Hengyang 421001, Hunan, Peoples R China.