1. From the New York–Presbyterian Hospital and Division of Cardiology, Columbia University Medical Center, New York (L.M., H.M., A.C.); Stanford University School of Medicine, Stanford Prevention Research Center, Stanford, Calif (K.B.); American Heart Association, Dallas, Tex (K.T.); and Segmentation Co, A Division of Yankelovich, Chapel Hill, NC (T.M., K.A.B., S.L.S.).