1. From the Neurology Unit, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy (A.M., A. Pezzini, A. Padovani); Division of Neurocritical Care and Emergency Neurology, Department of Neurology (A.M., C.-L.P., C.D.A., M.J.J., J.N.G., J.R.), Hemorrhagic Stroke Research Center (A.M., C.-L.P., C.D.A., M.J.J., K.S., A.A., M.E.G., A.V., S.M.G., J.N.G., J.R.), and Department of Emergency Medicine (J.N.G.), Massachusetts General Hospital, Boston.