Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 107 W Yanjiang Road, Yuexiu District, Guangzhou, 510120, Guangdong, China. Department of Urology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China. Department of Urology, Southwest Hospital, Third Military Medical University, Chongqing, China. Department of Urology, Xiangya Hospital of Central South University, Changsha, Hunan, China. Department of Urology, The Third Affiliated Hospital, Third Military Medical University, Chongqing, China. Department of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, China. Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China. Department of Urology, Chinese PLA General Hospital, Beijing, China. Department of Urology, Ruijin Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China. Department of Urology, Renji Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China. Department of Urology, Affiliated Hospital of Chengdu University, Chengdu, Sichuan, China. Department of Urology, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, China. Department of Urology, Beijing Friendship Hospital, Capital Medical University, Beijing, China. Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China. Department of Urology, Qilu Hospital of Shandong University, Jinan, Shandong, China. Department of Urology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian, China. Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China. Department of Urology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China. Department of Urology, Shanghai Changhai Hospital of Second Military Medical University, Shanghai, China. Department of Urology, Peking University First Hospital, Beijing, China. Department of Urology, Fujian Medical University Union Hospital, Fuzhou, Fujian, China. Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China. Department of Urology, Wuhan General Hospital of Guangzhou Military Command, Wuhan, Hubei, China. Department of Urology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China. Department of Urology, Beijing Tongren Hospital, Capital Medical University, Beijing, China. Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 107 W Yanjiang Road, Yuexiu District, Guangzhou, 510120, Guangdong, China. urolhj@sina.com. Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China. urolhj@sina.com.