1. From the Center for Cardiovascular Research (J.G.D., J.L.F., B.N.F., D.P.K.), Departments of Medicine (J.L.F., B.N.F., D.P.K.), Pediatrics (J.G.D., D.P.K.), and Molecular Biology and Pharmacology (D.P.K.), Washington University School of Medicine, St. Louis, Mo; and Department of Human Nutrition (D.M.M.), Kansas State University, Manhattan.