1. From the London Health Sciences Centre Cardiac Rehabilitation & Secondary Prevention Program (P.L.P., K.U., N.S.), London, Ontario, Canada; Clinical Neurological Sciences (V.H., R.C.), London Health Sciences Centre, London, Ontario, Canada; Southwestern Ontario Stroke Strategy (S.M.), London Health Sciences Centre London, Ontario, Canada; Ontario Stroke Network (C.O.), Toronto, Ontario, Canada; University of Western Ontario (P.L.P., V.H., R.C., S.M., N.S.), London, Ontario, Canada.