1. Department of Epidemiology and Institute for Public Health Genetics, School of Public Health and Community Medicine, University of Washington, Seattle, Washington
2. Division of General Internal Medicine, Department of Medicine, School of Medicine, University of Washington, Seattle, Washington
3. Laboratory Medicine, Harborview Medical Center University of Washington, Seattle, Washington
4. Department of Anthropology, University of Washington, Seattle, Washington
5. Centre for Cardiovascular Genetics, Department of Medicine, Royal Free and University College London, London, U.K.
6. Division of Metabolism, Endocrinology and Nutrition, Department of Medicine, School of Medicine, University of Washington, Seattle, Washington