1. Department of Urology, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai 200092, P.R. China
2. Department of Laboratory, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai 200092, P.R. China
3. Department of Pathology, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai 200092, P.R. China
4. Department of Urology, The People's Hospital of Zhengzhou University, Zhengzhou, Henan 450000, P.R. China