[1] Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Obstet & Gynecol, Wuhan 430030, Hubei, Peoples R China
[2] Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Neurol, Wuhan 430030, Hubei, Peoples R China
[3] Peking Univ, Shenzhen Hosp, Ctr Reprod Med, Shenzhen, Guangdong, Peoples R China
[4] Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Hematol, Wuhan 430030, Hubei, Peoples R China