1. From the University of California, San Francisco (M.W.); Stanford University (G.W.A., R.B.), Palo Alto, Calif; University of Alabama Comprehensive Stroke Center (A.V.A.), Birmingham, Ala; University of California, Los Angeles (J.R.A.); Addenbrooke’s Hospital Hills Road (J.-C.B.), Department of Neurology, Cambridge, UK; Department of Neurology (S.D.), Royal Melbourne Hospital, University of Melbourne, Australia; Mayo Clinic (B.M.D.), Phoenix, Arizona; Washington University (C.P.D.), St Louis, Mo;...