[He, Yueqi; Yang, Yufan; Xiao, Zhenghui; Lu, Xiulan; Huang, Jiaotian; Xiao, ZH] Univ South China, Hunan Childrens Hosp, Hengyang Med Sch, Sch Pediat,Dept Intens Care Unit, Changsha 410007, Hunan, Peoples R China.
[Yang, Yufan; Xiao, Zhenghui; Lu, Xiulan; Huang, Jiaotian; Xiao, ZH] Cent South Univ, Hunan Childrens Hosp, Affiliated Childrens Hosp, Xiangya Sch Med,Dept Intens Care Unit, Changsha 410007, Hunan, Peoples R China.