title: Reply.
authors.affiliation: Department of Clinical and Experimental Sciences, Neurology Clinic University of Brescia, Brescia, Italy.|J. P. Kistler Stroke Research Center Massachusetts General Hospital, Harvard Medical SchoolBoston, Massachusetts.
authors.forename: A
authors.identifier: http://orcid.org/0000-0002-6558-1155
authors.initials: A
authors.lastname: Morotti
authors.affiliation: Neuroradiology Service, Department of Radiology Massachusetts General Hospital, Harvard Medical School Boston, Massachusetts.
authors.forename: J M
authors.identifier: http://orcid.org/0000-0001-5749-3000
authors.initials: JM
authors.lastname: Romero
authors.affiliation: Neuroradiology Service, Department of Radiology Massachusetts General Hospital, Harvard Medical School Boston, Massachusetts.
authors.forename: R
authors.identifier: http://orcid.org/0000-0002-5882-960X
authors.initials: R
authors.lastname: Gupta
authors.affiliation: J. P. Kistler Stroke Research Center.|Department of Emergency Medicine Massachusetts General Hospital, Harvard Medical School Boston, Massachusetts.
authors.forename: J N
authors.identifier: http://orcid.org/0000-0002-6406-1828
authors.initials: JN
authors.lastname: Goldstein