title: Response letter to the editor.
authors.forename: Melissa S
authors.initials: MS
authors.lastname: Putman
authors.forename: Mary L
authors.initials: ML
authors.lastname: Bouxsein
authors.forename: Joel S
authors.initials: JS
authors.lastname: Finkelstein
mesh_terms: D015519:Bone Density / Q000502:physiology*; D003550:Cystic Fibrosis / Q000473:pathology*; D005260:Female; D050723:Fractures, Bone / Q000473:pathology*; D006801:Humans; D008297:Male; D011884:Radius / Q000473:pathology*; D013977:Tibia / Q000473:pathology*