1. From the Department of Medicine, Montreal Heart Institute and Université de Montréal, and the Montreal Heart Institute Coordinating Center (J.-C.T., P.L.L., J.G., R.I., M.-C.G.), Montreal, Quebec, Canada; the Department of Molecular Genetics and Microbiology (G.M.) and the Department of Medicine (C.J.P., A.L.), Division of Cardiovascular Medicine, University of Florida, Gainesville Fla; the Department of Medicine (W.K.), University of Western Ontario, London, Ontario Canada; the Department of...