1. From Department of Neurology (M.G., D.L.), Lille University Hospital (EA2691), Lille, France; Department of Neurology (J.M.F., P.C.), Santa Maria Hospital, Lisbon, Portugal; Department of Neurology (J.S.), Academic Medical Center Amsterdam, Amsterdam, The Netherlands; Department of Neurology (M.-G.B.), Lariboisière Hospital, Paris, France; Department of Neurology (F.B.), National Institute of Neurology and Neurosurgery, Mexico City, Mexico.