title: Author Reply.
authors.affiliation: Division of Urologic Surgery, Washington University School of Medicine, St. Louis, MO.
authors.forename: Eric H
authors.initials: EH
authors.lastname: Kim
authors.affiliation: Department of Radiology, Washington University School of Medicine, St. Louis, MO.
authors.forename: Anup S
authors.initials: AS
authors.lastname: Shetty
authors.affiliation: Department of Radiology, Washington University School of Medicine, St. Louis, MO.
authors.forename: Kathryn J
authors.initials: KJ
authors.lastname: Fowler
authors.affiliation: Division of Urologic Surgery, Washington University School of Medicine, St. Louis, MO.
authors.forename: Robert L
authors.initials: RL
authors.lastname: Grubb
authors.affiliation: Division of Urologic Surgery, Washington University School of Medicine, St. Louis, MO.
authors.forename: Gerald L
authors.initials: GL
authors.lastname: Andriole