1. Department of Urology, Shanghai 6th Hospital Affiliated to Shanghai Jiaotong University, Shanghai, PR China;
2. Urology, The Second Hospital of Shandong University, Jinan, Shadong, PR China;
3. Shanghai 6th Peoples Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, PR China;
4. Urology, Shanghai 6th People’s Hospital, Jinan, Shadong, PR China