1. From the Department of Neurology, Amsterdam Neuroscience (C.V.M.V., S.R.S., J.A.B., R.M.A.B.), Clinical Epidemiology, Biostatistics, and Bioinformatics (M.G.W.D.), and the Clinical Research Unit (R.J.H.), Amsterdam UMC, University of Amsterdam, AMC, Amsterdam, the Department of Neurology, Radboud University Medical Center, Donders Institute for Brain, Cognition and Behavior, Nijmegen (B.P., B.R.B.), the Department of Neurology, Leiden University Medical Center, Leiden (J.J.H.), the Department of...