1. Department of Urology, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, Guangdong 510095, P.R. China
2. Department of Urology, Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, P.R. China
3. Department of Urology, Huadu District People's Hospital, Southern Medical University, Guangzhou, Guangdong 510180, P.R. China