1. From the Departments of Neurology (G.T., B.M., P.S., C.I., I.R., D.C., J.-C.B., J.-L.M.) and Radiology (O.N., M.T., M.E., C.O.), Hôpital Sainte-Anne, Paris, France; and Université Paris Descartes, Sorbonne Paris Cité, INSERM UMR S894, DHU Neurovasc, Paris, France (G.T., B.M., O.N., P.S., C.I., M.T., I.R., M.E., D.C., J.-C.B., J.-L.M., C.O.).