1. From the Neurointensive Care Unit (D.A.G.), Sanatorio Pasteur, Catamarca, Argentina; Intensive Care Unit (G.P.), Hospital Leonidas Lucero, Bahia Blanca, Buenos Aires, Argentina; Neurological Service (M.D.N.), San Camillo de Lellis General Hospital, Rieti, Italy; and Neurological Section (M.D.N.), SMDN Center for Cardiovascular Medicine and Cerebrovascular Disease Prevention, Sulmona (L’Aquila), Italy.