1. Cardiology Section, Whitaker Cardiovascular Institute, Evans Department of Medicine, Boston University School of Medicine, Boston, Massachusetts2currently with the Department of Medicine, Division of Cardiology, University of Pittsburgh Medical Center Hea
2. Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis
3. Department of Medicine, Johns Hopkins University, Baltimore, Maryland
4. Department of Epidemiology and Prevention, Epidemiological Cardiology Research Center, Wake Forest University School of Medicine, Winston-Salem, North Carolina
5. Cardiovascular Division, Department of Medicine, University of Minnesota Medical School, Minneapolis
6. Department of Epidemiology, University of North Carolina, Chapel Hill