1. National Heart; Lung, and Blood Institute's Framingham Heart Study; Framingham Massachusetts USA
2. National Heart; Lung, and Blood Institute; Bethesda Maryland USA
3. Department of Endocrinology; Hypertension, and Diabetes, Brigham and Women's Hospital, Harvard Medical School; Boston Massachusetts USA
4. Department of Mathematics; Boston University; Boston Massachusetts USA
5. Division of Cardiology Section; Boston University School of Medicine; Boston Massachusetts USA
6. Division of Preventive Medicine; Cardiology Section, Boston University School of Medicine; Boston Massachusetts USA
7. Department of Neurology; Boston University School of Medicine; Boston Massachusetts USA