title: Author Reply.
authors.affiliation: Department of Urology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
authors.forename: Hailin
authors.initials: H
authors.lastname: Guo
authors.affiliation: Department of Urology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
authors.forename: Yinglong
authors.initials: Y
authors.lastname: Sa