1. From the Division of Neurocritical Care & Emergency Neurology (J.N.A., C.P.B., A.C.L., V.M.T.-L., A.H., N.H.P., K.N.S., G.J.F.), Department of Neurology, Yale School of Medicine; Frank H. Netter MD School of Medicine (Z.S.D., C.J.C.); Division of Vascular Neurology (N.H.P., L.H.S.), Department of Neurology, Yale School of Medicine; and Department of Internal Medicine (T.M.G.), Yale School of Medicine, New Haven, CT.