Affiliation: | 1. Department of Urology, The Sun Yat‐sen Memorial Hospital, Sun Yat‐sen University, Guangzhou, China;2. Prenatal Diagnosis Center, The Sun Yat‐sen Memorial Hospital, Sun Yat‐sen University, Guangzhou, China;3. Department of Urology, The General Hospital of Guangzhou Military Command of PLA, Guangzhou, China |