1. Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA (S.M.P., E.B., M.G.P., E.M.A., E.A.B., D.A.M., C.T.R., R.P.G.).
2. Hirslanden Clinic, Zurich, Switzerland and University of Zurich, Switzerland (J.S.).
3. Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Italy (G.B.).
4. Cardiology Division, Department of Internal Medicine, Medical University of South Carolina, Charleston (A.P.C.).
5. Department of Medicine, McMaster University, Hamilton, Canada (S.J.C., J.W.E.).
6. Division of Cardiology, Geneva University Hospitals, Switzerland (B.G.).
7. University of Bern Institute of Primary Health Care (BIHAM), Switzerland (B.G.).
8. Duke Clinical Research Institute, Division of Cardiology, Duke University, Durham, NC (C.B.G., M.R.P.).
9. Uppsala Clinical Research Center and Department of Medical Sciences, Uppsala University, Sweden (L.W.).