Grunwald, I. Q., Sneade, M., Clarke, A., Yarnold, J., Warburton, E., Nagel, S., Guyler, P., Fassbender, K., Roffe, C., Chapot, R., Briley, D., Dixit, A., Harrington, F., Perry, R., Bath, P., Douglass, C., Mangion, D., Manawadu, D., Monyham, B., Bock, B., …Trial Investigators, S.-P. Abstract W MP9: Preliminary Results from the Survival and Outcome After Stroke (SOS) Trial: Natural History of Acute Ischemic Stroke from Large Vessel Occlusion