1. From the Stroke Unit (A.C.), “Niguarda Ca’ Granda” Hospital, Milan, Italy; the Department of Neurology (P.C., J.M.F.), “Santa Maria” Hospital, Lisboa, Portugal; the Service of Neurology (F.F.), “Rainha Santa Isabel” Hospital, Torres Novas, Portugal; and the Department of Neurology (R.S.), “Sant’ Anna” Hospital, Como, Italy.