1. Department of Urology, Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong 510180, P.R. China
2. Department of Urology, Guizhou Provincial People's Hospital, The Affiliated Hospital of Guizhou Medicine University, Guiyang, Guizhou 550002, P.R. China
3. Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, P.R. China
4. Department of Urology, Huadu District People's Hospital, Southern Medical University, Guangzhou, Guangdong 510800, P.R. China