title: Reply by the Authors.
authors: Section of Urology, University of Chicago, Chicago, IL.
authors: Vignesh T
authors: VT
authors: Packiam
authors: Section of Urology, University of Chicago, Chicago, IL.
authors: Andrew J
authors: AJ
authors: Cohen
authors: Section of Urology, University of Chicago, Chicago, IL.
authors: Joseph J
authors: JJ
authors: Pariser
authors: Section of Urology, University of Chicago, Chicago, IL.
authors: Gregory T
authors: GT
authors: Bales