title: Reply.
authors.affiliation: Department of Pediatric Radiology Children's Hospital of Pittsburgh of University of Pittsburgh Medical Center Pittsburgh, Pennsylvania; University of Pittsburgh School of Medicine Pittsburgh, Pennsylvania.
authors.forename: Ashok
authors.initials: A
authors.lastname: Panigrahy
authors.affiliation: Department of Developmental Biology University of Pittsburgh School of Medicine Pittsburgh, Pennsylvania.
authors.forename: Cecilia W
authors.initials: CW
authors.lastname: Lo
mesh_terms: D001921:Brain; D001927:Brain Diseases; D006801:Humans; D006965:Hyperplasia