[1] Hainan Med Univ, Affiliated Hosp 1, Hainan Prov Key Lab Human Reprod Med & Genet Res, Haikou, Peoples R China
[2] Hainan Med Univ, Affiliated Hosp 1, Dept Reprod Med, Haikou, Peoples R China
[3] Hainan Med Univ, Affiliated Hosp 1, Hainan Prov Clin Res Ctr Thalassemia, Haikou, Peoples R China
[4] Hainan Med Univ, Affiliated Hosp 1, Haikou Key Lab Preservat Human Genet Resource, Haikou, Peoples R China
[5] Guangxi Med Univ, Affiliated Hosp 1, Dept Prenatal Diag & Genet Dis, Nanning, Peoples R China
[6] Shandong Univ, Hosp 2, Dept Gynecol, Jinan, Peoples R China
[7] Zhengzhou Univ, Affiliated Hosp 1, Dept Reprod Med, Zhengzhou, Peoples R China
[8] Haikou Women & Children Hosp, Dept Reprod Med, Haikou, Peoples R China