1. From the Center for Cardiovascular Genetics, Department of Medicine, Institute of Molecular Medicine, Texas Heart Institute, University of Texas Health Sciences Center at Houston (S.M.C., P.G., A.J.M.)
2. Center for Cardiovascular Research, Washington University, School of Medicine, St Louis, MO (S.J.M.)
3. Baylor College of Medicine, Houston, TX (C.C., M.J.R.)
4. MD Anderson Cancer Center, Houston, TX (X.H.)
5. Division of Cardiology (M.S., M.T., L.M.), University of Colorado, Denver
6. Division of Cardiothoracic Surgery (J.C.), University of Colorado, Denver
7. Texas Heart Institute, Houston (J.T.W.).