title: Reply to the letter from Dale Ding, MD.
authors.affiliation: Melbourne Brain Centre at Royal Melbourne Hospital, The University of Melbourne, Melbourne, Australia.
authors.forename: Caroline
authors.initials: C
authors.lastname: MacCallum
authors.forename: Leonid
authors.initials: L
authors.lastname: Churilov
authors.forename: Peter
authors.initials: P
authors.lastname: Mitchell
authors.forename: Richard
authors.initials: R
authors.lastname: Dowling
authors.forename: Bernard
authors.initials: B
authors.lastname: Yan
mesh_terms: D005260:Female; D006801:Humans; D020244:Infarction, Middle Cerebral Artery / Q000473:pathology*; D008297:Male; D020521:Stroke / Q000473:pathology*; D014057:Tomography, X-Ray Computed