Grunwald, Iris Q, Sneade, Mary, Clarke, Alison, Yarnold, Julia, Warburton, Elizabeth, Nagel, Simon, Guyler, Paul, Fassbender, Klaus, Roffe, Christine, Chapot, René, Briley, Dennis, Dixit, Anand, Harrington, Frances, Perry, Richard, Bath, Philip, Douglass, Christopher, Mangion, David, Manawadu, Dula, Monyham, Barry, Bock, Birgit, Ammar, Lynne, Buell, Hope, Boose, Arani, Sit, Siu Po, Trial Investigators, SOS-Penumbra, "Abstract W MP9: Preliminary Results from the Survival and Outcome After Stroke (SOS) Trial: Natural History of Acute Ischemic Stroke from Large Vessel Occlusion", Stroke, 2015