title: Why this question? Commentary on Vivona.
authors.affiliation: Department of Psychiatry, Rush Medical School, Chicago, IL, USA. bonlit@gmail.com
authors.forename: Bonnie E
authors.initials: BE
authors.lastname: Litowitz
mesh_terms: D002657:Child Development / Q000502:physiology*; D006801:Humans; D007802:Language; D013060:Speech / Q000502:physiology*