[1] Southeast Univ, Coll Med, Dept Pathogen Biol & Immunol, Sch Med, Nanjing 210009, Peoples R China
[2] Southeast Univ, Zhongda Hosp, Dept Gynecol & Obstet, Nanjing, Peoples R China
[3] Nanjing Childrens Hosp, Paediat Res Inst, Nanjing, Peoples R China
[4] Southeast Univ, Sch Biol Sci & Med Engn, Nanjing 210096, Peoples R China