title: Author Reply.
authors.affiliation: Department of Urology, Rush University Medical Center, Chicago, IL.
authors.forename: Wei Phin
authors.initials: WP
authors.lastname: Tan
authors.affiliation: Department of Radiology, Rush University Medical Center, Chicago, IL.
authors.forename: Carol
authors.initials: C
authors.lastname: Lin
authors.affiliation: Department of Radiology, Rush University Medical Center, Chicago, IL.
authors.forename: Meri
authors.initials: M
authors.lastname: Chen
authors.affiliation: Department of Urology, Rush University Medical Center, Chicago, IL.
authors.forename: Leslie A
authors.initials: LA
authors.lastname: Deane