1. From the Stanford Stroke Center (P.S., N.Y., M.M., S.C., G.W.A.), Palo Alto, CA; Neurology Department (P.S., M.O.), Hôpital Fondation A. de Rothschild; Institut de Psychiatrie et Neurosciences de Paris (IPNP) (P.S.), U1266, INSERM, Paris; Acute Stroke Unit (J.M.O., J.-F.A.), Hôpital Pierre-Paul Riquet, CHU Toulouse and CIC 1436, Toulouse University, INSERM, UPS, France; Radiology Department (J.J.H.), Stanford University, Palo Alto, CA; Neurology Department (J.B.E.P., E.C.), Geneva University...