1. Department of Urology Sun Yat‐sen Memorial Hospital Sun Yat‐sen University Guangzhou Guangdong 510120 P. R. China
2. Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation Sun Yat‐sen Memorial Hospital Sun Yat‐sen University Guangzhou Guangdong 510120 P. R. China
3. Guangdong Provincial Clinical Research Center for Urological Diseases Guangzhou Guangdong 510120 P. R. China
4. Animal Experiment Center The First Affiliated Hospital Sun Yat‐sen University Guangzhou Guangdong 510080 P. R. China
5. Department of Urology Sun Yat‐sen University Cancer Center Guangzhou Guangdong 510060 P. R. China