1. From the Department of Neuroradiology (J.F.), University Medical Centre, Hamburg, Germany; Stanford Stroke Center (G.W.A.), Palo Alto, Calif; Seaman Family MR Research Centre (J.-M.B.), Foothills Medical Centre, Calgary, Canada; Hôpital Neurologique (L.D.), Laboratoire CREATIS UMR 5515 CNRS and INSERM U 630, Hôpital Neurologique, Lyon, France; Neurologische Klinik (A.G.), Universitaetsklinikum Mannheim, Mannheim, Germany; Center for Functionally Integrative Neuroscience (N.H.), Department of...