[1
]From the Division of Cardiovascular Medicine (J.H.F.R., H.A.J., P.L.W.), Division
of Stroke Medicine (E.A.W.), Wolfson Brain Imaging Centre (T.D.F., J.C.C., J.D.P.),
Department of Radiology (N.A.), Clinical Pharmacology Unit (P.J., A.P.D.), Division
of Neurosurgery (P.J.K.), and Centre for Applied Medical Statistics (B.N.A), University
of Cambridge, Addenbrooke’s Hospital, Cambridge, UK.