1. From the Vascular Research Institute at INECO Foundation (L.A.S.), Department of Neurology at INECO, Stroke Center at the Institute of Neurosciences, University Hospital, Favaloro Foundation, Buenos Aires, Argentina; and the Stroke Outcomes Research Center (G.S.), Li Ka Shing Knowledge Institute, Departments of Medicine and Health Policy Management and Evaluation (HPME) and the Institute for Clinical Evaluative Sciences (ICES), St Michael's Hospital, University of Toronto, Ontario, Canada.