1. From the Department of Neurology and Neurosurgery, Brain Center Rudolf Magnus (D.B., M.D.I.V., A.S.E.B., A.A., G.J.E.R.), Department of Radiology (B.K.V., I.C.v.d.S.), and the Julius Center for Health Sciences and Primary Care (A.A.), University Medical Center Utrecht, Utrecht, The Netherlands.