[Fu, Ruqian; Li, Zhihui; Kang, Zhijuan] Univ South China, Acad Pediat, Changsha, Peoples R China.
[Xun, Mai; Fu, Ruqian; Li, Zhihui; Kang, Zhijuan] Hunan Childrens Hosp, Dept Nephrol & Rheumatol, Changsha, Peoples R China.
[Yang, Manqiong] Hunan Normal Univ, Affiliated Hosp 1, Hunan Prov Peoples Hosp, Dept Pediat, Changsha, Peoples R China.
[Wang, Manzhi; Wang, Ying] Changsha Cent Hosp, Dept Pediat, Changsha, Peoples R China.
[Wang, Xiangyun] Changsha First Peoples Hosp, Dept Pediat, Changsha, Peoples R China.