1. Framingham Heart Study, Boston University, Framingham, Massachusetts
2. Division of Medicine, Turku University Hospital, Turku, Finland
3. Department of Medicine, University of Turku, Turku, Finland
4. Department of Public Health Solutions, National Institute for Health and Welfare, Turku, Finland
5. Division of Cardiology, Brigham and Women's Hospital, Boston, Massachusetts
6. Harvard Medical School, Boston, Massachusetts
7. Dipartimento di Scienze Economiche, Aziendali e Statistiche, Universita’ di Palermo, Italy
8. Department of Medicine, University of California–San Diego, La Jolla
9. Division of Cardiology, Department of Medicine, Boston University, Boston, Massachusetts
10. Division of Preventive Medicine, Department of Medicine, Boston University, Boston, Massachusetts
11. Department of Biostatistics, Boston University School of Public Health, Boston, Massachusetts