[1]Fudan Univ, Childrens Hosp, Dept Nephrol & Rheumatol, Shanghai 200433, Peoples R China.
[2]Wenzhou Med Coll, Yuying Childrens Hosp, Wenzhou, Peoples R China.
[3]Cent S Univ, Xiangya Hosp 2, Changsha, Hunan, Peoples R China.
[4]Shandong Prov Hosp, Jinan, Peoples R China.
[5]Guiyang Childrens Hosp, Guiyang, Peoples R China.
[6]Jinan Childrens Hosp, Jinan, Peoples R China.
[7]China Med Univ, Shenjing Hosp, Shenyang, Peoples R China.
[8]Xiamen Univ, Affiliated Hosp 1, Xiamen, Peoples R China.
[9]Zhejiang Univ, Sch Med, Childrens Hosp, Hangzhou 310003, Zhejiang, Peoples R China.
[10]Anhui Prov Childrens Hosp, Hefei, Peoples R China.
[11]Jilin Univ, Hosp 1, Dept Pediat Nephrol, Jilin, Peoples R China.
[12]Jilin Univ, Hosp 1, Dept Neonatol, Jilin, Peoples R China.
[13]Ningbo Women & Childrens Hosp, Ningbo, Zhejiang, Peoples R China.
[14]Shanghai Childrens Hosp, Shanghai 200040, Peoples R China.
[15]Xinjiang Med Univ, Hosp 1, Urumqi, Peoples R China.
[16]Jiangxi Childrens Hosp, Nanchang, Peoples R China.
[17]Nanjing Childrens Hosp, Nanjing, Jiangsu, Peoples R China.
[18]Shandong Univ, Qilu Hosp, Jinan 250100, Peoples R China.
[19]Qingdao Women & Childrens Hosp, Qingdao, Peoples R China.
[20]Third Peoples Hosp Jingdezhen, Jingdezhen, Peoples R China.
[21]Sun Yat Sen Univ, Affiliated Hosp 1, Guangzhou 510275, Guangdong, Peoples R China.
[22]Mil Gen Hosp Beijing PLA, Bayi Childrens Hosp, Beijing, Peoples R China.
[23]Wuhan Women & Childrens Hosp, Wuhan, Peoples R China.