[1] Cent South Univ, Sch Basic Med Sci, NHC Key Lab Human Stem & Reprod Engn, 8 Luyun Rd, Changsha 410205, Hunan, Peoples R China
[2] Natl Engn Res Ctr Human Stem Cells, Changsha, Peoples R China
[3] Reprod & Genet Hosp CITIC Xiangya, Changsha, Peoples R China
[4] Hunan Normal Univ, Hunan Guangxiu Hosp, Changsha, Peoples R China
[5] Natl Med Prod Adm, Natl Ctr Drug Evaluat, Beijing, Peoples R China