1. Department of Urology, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510700, P.R. China
2. Department of Center Laboratory, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510700, P.R. China
3. Center for Translational Cancer Research, Texas A&M Institute of Biosciences and Technology, Texas A&M University, Houston, TX 77030, USA
4. Department of Urology, The Sun Yat‑sen Memorial Hospital, Sun Yat‑sen University, Guangzhou 510120, P.R. China