1. From the Department of Cardiology (M.K.C.N., A.S.C.Y., C.C., A.K.), Royal Prince Alfred Hospital; Department of Cardiology (L.K.), Concord Repatriation General Hospital; and National Health and Medical Research Council Clinical Trials Centre (R.O., A.K.), University of Sydney, Sydney, Australia; and Division of Cardiovascular Medicine, Stanford University Medical Center, Stanford, CA (A.S.C.Y., M.H., M.G.S., W.F.F.).