1. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Washington, Seattle, Washington
2. Division of Metabolism, Endocrinology, and Nutrition, Department of Medicine, VA Puget Sound Health Care System and the University of Washington, Seattle, Washington
3. Department of Rehabilitation Research and Development, University of Washington, Seattle, Washington
4. Department of Epidemiology, University of Washington, Seattle, Washington
5. Cardiovascular Health Research Unit, VA Puget Sound Health Care System, Seattle, Washington
6. Epidemiologic Research and Information Center, VA Puget Sound Health Care System, Seattle, Washington