title: Reply.
authors.affiliation: Department of Orthopaedic Surgery, University of Rochester Medical Center, Rochester, New York, USA.
authors.forename: David P
authors.initials: DP
authors.lastname: Speach
authors.affiliation: Department of Orthopaedic Surgery, University of Rochester Medical Center, Rochester, New York, USA.
authors.forename: John C
authors.initials: JC
authors.lastname: Elfar