From the Departments of Radiology (IDI) (J.P., G.B., S.R., S.P.), Neurology (M.C., C.v.E., J.S.), Rehabilitation (J.F.), Girona Biomedical Research Institute (IDIBGI), Hospital Universitari Dr Josep Trueta, Girona, Spain; Department of Applied Mathematics, University of Girona, Girona, Spain (J.D.-I-.E.); Klinik und Poliklinik für Neurologie, Kopf- und Neurozentrum, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany (G.T.); and Philips Healthcare Iberia, Madrid, Spain (J.S.-G.). (At 2013-07)