Affiliation: | 1.Department of Urology, Institute of Urology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, 610041, Sichuan, P.R. China ;2.Department of Postgraduate, West China School of Medicine, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China ; |