1. Department of Neurology, Alfred Hospital, Melbourne, Australia (C.A.M., G.C.C.).
2. Australian Centre for Blood Diseases (C.B.K., R.L.M.), Monash University, Melbourne, Australia.
3. Stroke Research Group, Department of Clinical Neuroscience, University of Cambridge, United Kingdom (H.S.M.).
4. Stroke Research Centre, Queen Square Institute of Neurology, London, United Kingdom (D.J.W.).
5. Department of Clinical Neuroscience, Central Clinical School (G.C.C.), Monash University, Melbourne, Australia.