1. From the Stanford Stroke Center (G.W.A.), Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA; Duke University Medical Center (L.B.G.), Durham, NC; the Medical College of Georgia (D.C.H.), Augusta, GA; the University of Pittsburgh Medical Center (L.R.W.), Pittsburgh, PA; Massachusetts General Hospital (K.L.F.), Boston, MA; the University of Illinois College of Medicine (P.B.G.), Chicago, IL; University of Texas System (P.H.), Austin, TX; UCLA Medical Center (D.S.L.,...