Global citimpact: 6.42 Researcher at From the Service of Neurology, Department of Clinical Neurosciences, Centre Hospitalier Universitaire Vaudois, Lausanne, (F.M., P.M.); Institute of Social and Preventive Medicine, University of Lausanne, Lausanne, (M.A.); Department of Neurology, University Hospital Antwerp, (P.V.); and University of Lausanne, Lausanne, (P.M.). .