[1] Univ Hong Kong, Li Ka Shing Fac Med, Dept Obstet & Gynaecol, Hong Kong 999077, Peoples R China
[2] Univ Hong Kong, Shenzhen Hosp, Reprod Med Ctr, Shenzhen Key Lab Fertil Regulat, Shenzhen 518053, Peoples R China
[3] Ctr Translat Stem Cell Biol, Bldg 17W, Hong Kong Sci & Technol Pk, Hong Kong 999077, Peoples R China
[4] Univ Hong Kong Shenzhen Hosp, Shenzhen Key Lab Fertil Regulat, Shenzhen 518053, Peoples R China
[5] Univ Hong Kong, Li Ka Shing Fac Med, Dept Obstet & Gynaecol, 21 Sassoon Rd, Hong Kong 999077, Peoples R China