1. From the Department of Neurosciences (J.M.F., P.C.), Hospital Santa Maria, University of Lisbon, Lisbon, Portugal; Department of Neurology (I.C., M.G.B.), Hôpital Lariboisière, Paris, France; Department of Neurology (J.M.C., J.S.), Academic Medical Centre, Amsterdam, the Netherlands; Department of Neurology (F.B.), Instituto Nacional de Neurologia y Neurocirurgia, Mexico City, Mexico; Department of Neurology (B.C.), University of Pennsylvania Medical Center, Philadelphia, PA; Department of Neurology...