1. 1Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, P.R. China.
2. 2Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, P.R. China.
3. 3Guangdong Provincial Clinical Research Center for Urological Diseases, Guangzhou, P.R. China.
4. 4Clinical Medical College & Affiliated Hospital of Chengdu University, Chengdu University, Chengdu, Sichuan, P.R. China.
5. 5Cellular & Molecular Diagnostics Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, P.R. China.
6. 6Department of Urology, Yan'an Hospital, Kunming Medical University, Kunming, P.R. China.