Affiliation: | 1. Departmentof Urology, China‐Japan Union Hospital, Jilin University, Changchun, China;2. Centre for Reproductive Medicine, Centre for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, China;3. Department of Obstetrics, First Hospital, Jilin University, Changchun, China;4. Department of Neurosurgery, China‐Japan Union Hospital, Jilin University, Changchun, China |