[Ren, Yali] Huazhong Univ Sci & Technol, Liyuan Hosp, Dept Med Affairs, Tongji Med Coll, Wuhan, Hubei, Peoples R China.
[Shen, Min; Xi, Xiaoyan; Du, Yukai; Shen, M; Du, YK; Peng, Songxu] Huazhong Univ Sci & Technol, Tongji Med Coll, Sch Publ Hlth, Dept Maternal & Child Hlth, Hangkong Rd 13, Wuhan 430030, Hubei, Peoples R China.
[Hu, Dan] Dalian Maternal & Child Hlth Care Hosp, Dept Child Med & Hlth Care Ctr, Dalian, Liaoning, Peoples R China.
[Shang, Weifeng] Huazhong Univ Sci & Technol, Wuhan Puai Hosp, Tongji Med Coll, Dept Nephrol, Wuhan, Hubei, Peoples R China.
[Fan, Linlin] Shanghai Pudong New Area Peoples Hosp, Shanghai, Peoples R China.