title: Reviewer's comment.
authors.affiliation: Abteilung Unfallchirurgische Forschung und Biomechanik, Universität Ulm, 89081, Germany.
authors.forename: H J
authors.initials: HJ
authors.lastname: Wilke
mesh_terms: D006801:Humans; D007090:Image Interpretation, Computer-Assisted; D008159:Lumbar Vertebrae; D014057:Tomography, X-Ray Computed