1. The NHLBI's Framingham Heart Study; Framingham Massachusetts USA
2. Department of Medicine, Cardiovascular Division; Beth Israel Deaconess Medical Center; Boston Massachusetts USA
3. Department of Quantitative Health Sciences, Division of Biostatistics and Health Services Research; University of Massachusetts Medical School; Worcester Massachusetts USA
4. Imaging Systems; Philips Heathcare; Best The Netherlands
5. Biomedical Engineering; Eindhoven University of Technology; Eindhoven The Netherlands
6. Cardiology Division, Department of Medicine; Massachusetts General Hospital; Boston Massachusetts USA
7. Harvard Medical School; Boston Massachusetts USA
8. Department of Radiology; Beth Israel Deaconess Medical Center; Boston Massachusetts USA