title: The Authors respond.
authors.forename: Michael
authors.initials: M
authors.lastname: Berges
authors.forename: Mary Jo
authors.initials: MJ
authors.lastname: Perry
mesh_terms: D002574:Cervical Vertebrae / Q000293:injuries*; D006801:Humans; D056888:Patient Positioning; D011859:Radiography; D013124:Spinal Injuries / Q000000981:diagnostic imaging*; D013679:Technology, Radiologic