1. Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York
2. Department of Medicine, Johns Hopkins University, Baltimore, Maryland
3. Division of Nutritional Sciences, College of Human Ecology, Cornell University, Cornell, New York
4. Division of Epidemiology and Community Health and
5. Department of Medicine, Northwestern University, Chicago, Illinois
6. Department of Statistics, School of Public Health, University of Washington, Seattle, Washington
7. Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina
8. Department of Medicine, Boston University, Boston, Massachusetts
9. Department of Psychiatry and Behavioral Sciences, Stony Brook University, Stony Brook, New York
10. Department of Medicine, University of California, San Francisco, San Francisco, California
11. Laboratory for Clinical Biochemistry Research, University of Vermont, Burlington, Vermont
12. Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, Minnesota
13. Jackson Heart Study, Undergraduate Training and Education Center, Tougaloo College, Jackson, Mississippi; and
14. Veterans Affairs Pittsburgh Healthcare System and
15. Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania