1. Lillehei Heart Institute and Genomics Center of the University of Minnesota, Minneapolis (B.Y., J.E.A., M.M.).
2. Medical University of South Carolina, RHJ Department of Veterans Affairs Medical Center, Charleston (A.D.B., M.R.Z.).
3. University of Vermont Medical Center, Cardiology, Cardiothoracic Surgery and Vermont Integrative Genomics Resource, University of Vermont, Burlington (J.A.D., T.N.H., S.P.B., F.H., M.L., M.M.).