1. Department of Pathology, University of Texas Southwestern Medical Center , Dallas, TX , United States
2. Department of Laboratory Medicine and Pathology, Mayo Clinic , Rochester, MN , United States
3. Department of Laboratory Medicine, Yale School of Medicine , New Haven, CT , United States
4. Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine , St. Louis, MO , United States
5. Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health , Bethesda, MD , United States