1. Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
2. Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
3. Department of Pathology, Sun Yat-sen Memorial Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
4. Department of Urology, Cancer Center, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China
5. State Key Laboratory of Oncology in South China, Cancer Center, Sun Yat-sen (Zhongshan) University, Guangzhou, People's Republic of China