1. Department of Urology; Shanghai Tenth People's Hospital, School of Medicine in Tongji University; Shanghai 200072 China
2. Department of Urology; Shanghai Tenth People's Hospital, Nanjing Medical University; Nanjing China
3. Department of Urology; The First Affliated Hospital of Bengbu Medical College Bengbu; Anhui China
4. Department of Urology; Renji Hospital, School of Medicine in Shanghai Jiao Tong University; 160 Pujian Road, Pudong District Shanghai 200127 China
5. Department of Pathology; Shanghai Tenth People's Hospital, School of Medicine in Tongji University; Shanghai 200072 China
6. Department of Urology; Shanghai First People's Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai China