1. Department of Urology, and School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Yangpu, Shanghai, China.
2. Department of General Surgery, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Yangpu, Shanghai, China.
3. Department of Urology, Shanghai Baoshan Luodian Hospital, Baoshan, Shanghai, China.