1. From the Section of Preventive Medicine and Epidemiology, Evans Department of Medicine, Boston University School of Medicine, Boston, Mass (L.D., R.H.M., R.C.E.); Division of Biostatistics, Washington University, St Louis, Mo (M.A.P.); Cardiovascular Genetics, University of Utah, Salt Lake City (S.C.H.); Department of Laboratory Medicine and Pathology (J.H.E.) and Division of Epidemiology, School of Public Health (J.M.P.), University of Minnesota, Minneapolis; and Department of Public Health...