Vasileios Papavasileiou1, Larry B Goldstein2. 1. From Stroke Service (V.P.), Department of Neurosciences, Leeds Teaching Hospitals NHS Trust; School of Medicine (V.P.), Faculty of Medicine and Health, University of Leeds, UK; and Department of Neurology (L.B.G.), Kentucky Neuroscience Institute, University of Kentucky, Lexington. v.papavasileiou@nhs.net. 2. From Stroke Service (V.P.), Department of Neurosciences, Leeds Teaching Hospitals NHS Trust; School of Medicine (V.P.), Faculty of Medicine and Health, University of Leeds, UK; and Department of Neurology (L.B.G.), Kentucky Neuroscience Institute, University of Kentucky, Lexington.