title: Reply by the Authors.
authors.affiliation: Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL.
authors.forename: Matthias D
authors.initials: MD
authors.lastname: Hofer
authors.affiliation: Department of Urology, UT Southwestern Medical Center, Dallas, TX.
authors.forename: Allen F
authors.initials: AF
authors.lastname: Morey