1. From the Departement of Neuroradiology (J.D., C.M., G.B., A.G., G.A., M.R., A.C.J., P.T., O.M., F.B., C.C.), CHU de Toulouse, France
2. INSERM, U1048 and Université Toulouse 3, I2MC, France (J.D., C.G., J.F.A., B.P., C.C.)
3. Department of Neuroradiology, Siriraj Hospital, Mahidol University, Thailand (P.W.)
4. Department of Neuroradiology, University Hospital Clinical Center of Serbia, Belgrade (I.V.).
5. Clinical Investigation Center (V.R.), CHU de Toulouse, France
6. Departement of Vascular Neurology (J.M.O.), CHU de Toulouse, France