1. Department of Obstetrics and Gynecology, the Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
2. Chengdu Xi’nan Gynecological Hospital, Chengdu 610066, Sichuan, China
3. Department of Urology, the Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China