1. From the Cardiovascular Health Research Unit (RNL, AMF, CMS, and NS), Departments of Medicine (RNL, CMS, and NS), Epidemiology (AMF), and Biostatistics (MLB and BM), University of Washington, Seattle, WA; the Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA (KM); the Department of Internal Medicine, University of New Mexico, Albuquerque, NM (IBK)