1. From the Departments of Neurology (C.Z.S., M.L.S., G.A.) and Neuroradiology (M.H.M.), Center for Functionally Integrative Neuroscience (I.K.M.), Aarhus University Hospital, Aarhus, Denmark; and Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA (M.F.).