1. From the UMC Utrecht Brain Center (L.A.M., G.J.E.R., Y.M.R.), Department of Neurology and Neurosurgery, Department of Radiology (R.J.v.T., B.K.V., I.C.v.d.S.), and Julius Center for Health Sciences and Primary Care (J.P.G., N.P.A.Z.), University Medical Center Utrecht; Department of Neurology (M.J.H.W.), University Medical Center Leiden; and Department of Neurosurgery (D.V., W.P.V.), Amsterdam University Medical Center, the Netherlands.