1. From the University Institute of Diagnostic and Interventional Neuroradiology (J.K., P.J.M., M.E.-K., F.Z., E.P., T.D., S.B., P.M., J.G.)
2. Department of Neurology (J.K., M.G., S.J., S.B., M.A., U.F.)
3. Support Center for Advanced Neuroimaging (R.M.), University of Bern, Inselspital, Switzerland.