1. Division of Cardiovascular Medicine and Stanford Cardiovascular Institute, Stanford University School of Medicine, CA (W.F.F.).
2. Department of Cardiology, Friedrich-Alexander University Erlangen-Nürnberg, Germany (S.A.).
3. The Heart Center, Rigs Hospital, University of Copenhagen, Denmark (T.E.).
4. Department of Cardiology, Rabin Medical Center, Petach Tikva, Israel (A.A., R.K.).
5. Department of Cardiology, St. Francis Hospital, Roslyn, NY (R.S., A.J.).
6. Department of Cardiology, Cardiovascular Center Aalst OLV Hospital, Belgium (S.F., B.D.B.).
7. Columbia University Medical Center (A.J.K., A.M., M.B.L.), New York, NY.
8. Cardiovascular Research Foundation (A.J.K., A.M., M.B.L., T.M., O.D., M.M.), New York, NY.
9. Department of Cardiology, HaSharon Medical Center, Petach Tikva, Israel (G.G.).
10. Department of Cardiology, Shaare Zedek Medical Center, Jerusalem, Israel (R.J.).
11. Division of Cardiovascular Medicine, University of Pennsylvania School of Medicine, Philadelphia (D.M.K.).