1. From the Division of Cardiology, Duke Clinical Research Institute (P.T., Y.L., L.G.B., R.M.C., L.K.N., R.A.H., K.W.M.), Durham, NC; Linda and Jack Gill Heart Institute (S.R.S.), University of Kentucky, Lexington, Ky; Krankenhaus Düren (D.C.G.), Düren, Germany; Green Lane Cardiovascular Service (H.D.W.), Auckland City Hospital, Auckland, New Zealand; Baylor College of Medicine (N.S.K.), Houston, Tex; Flinders Medical Centre (P.E.A.), Adelaide, Australia; Canadian Heart Research Centre and Terrence...