1. Division of Biometry and Epidemiology, National Eye Institute, National Institutes of Health Bethesda, Maryland
2. Epidemiology Branch, National Institute of Child Health and Human Development National Institutes of Health Bethesda, Maryland
3. Northwestern University Medical School Chicago, Illinois
4. Sansum Medical Research Foundation Santa Barbara, California
5. Northwest Lipid Research Clinic, University of Washington Seattle, Washington
6. Medical Eye Associates Norwood, Massachusetts
7. Baylor College of Medicine Houston, Texas
8. Brigham and Women's Hospital Boston, Massachusetts
9. Magee Women's Hospital Pittsburgh, Pennsylvania