1. Department of Medicine, Division of Endocrinology and Molecular Medicine (M.G.S.-T.), Medical College of Wisconsin, Milwaukee.
2. Department of Pharmacology and Toxicology (M.G.S.-T.), Medical College of Wisconsin, Milwaukee.
3. Cardiovascular Center (M.G.S.-T.), Medical College of Wisconsin, Milwaukee.
4. Schulich School of Medicine and Dentistry, Western University, London ON, Canada (R.A.H).
5. Laboratory of Lipoprotein Metabolism, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD (A.T.R).