1. From the Department of Neurosciences and Mental Health (J.M.F., P.C.), Hospital Santa Maria, Lisboa, Portugal; the Department of Neurology (M.-G.B.), Hôpital Lariboisière, Paris, France; the Department of Neurology (J.S.), Academic Medical Centre Amsterdam, The Netherlands; and the Department of Neurology (F.B.), Instituto Nacional de Neurologia y Neurocirurgia, México City, México.