1. From the Department of Neuroradiology, Université Reims-Champagne-Ardenne, Reims, France (S.S., L.P.); Departments of Radiology (S.S, M.T, S.C., W.B.H., L.L, J.-F.M., C.O.) and Neurology (G.T., J.-L.M., J.-C.B.), Centre Hospitalier Sainte-Anne, Université Paris Descartes Sorbonne Paris Cité, Centre de Psychiatrie et Neurosciences, INSERM S894, DHU Neurovasc, Paris, France; and Department of Neuroradiology, Université Paris Diderot, DHU Neurovasc, Paris, France (M.-A.L.).