Huazhong University of Science and Technology - Department of Obstetrics and Gynecology, Huazhong University of Science and Technology - Department of Obstetrics and Gynecology, Huazhong University of Science and Technology - Department of Obstetrics and Gynecology, Huazhong University of Science and Technology - Department of Obstetrics and Gynecology, Huazhong University of Science and Technology - Department of Obstetrics and Gynecology, Huazhong University of Science and Technology - Department of Obstetrics and Gynecology, Huazhong University of Science and Technology - Department of Obstetrics and Gynecology, Huazhong University of Science and Technology - Department of Obstetrics and Gynecology, Huazhong University of Science and Technology - Department of Obstetrics and Gynecology, Huazhong University of Science and Technology - Department of Obstetrics and Gynecology and Huazhong University of Science and Technology - Department of Obstetrics and Gynecology

Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Peking Union Medical College Hospital, Peking University - Peking University Cancer Hospital & Institute, Shandong Academy of Medical Sciences, Peking University, NanKai University - Tianjin Central Hospital of Obstetrics and Gynecology, Qingdao University, China Medical University, Huazhong University of Science and Technology - Department of Obstetrics and Gynecology, Zhejiang Cancer Hospital and Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Obstetrics and Gynecology