1. Division of Cardiology, Cardiovascular Institute, Warren Alpert Medical School at Brown University, Providence, RI (P.S., O.N.H., J.D.A., H.D.A.).
2. Penn Cardiovascular Outcomes, Quality and Evaluative Research Center, University of Pennsylvania, Philadelphia (J.G.)
3. Cardiovascular Medicine Division, University of Pennsylvania, Philadelphia (J.G.)
4. Department of Medicine, Newton-Wellesley Hospital, Newton, MA (M.R.J.).
5. Center for Interventional Vascular Therapy, Division of Cardiology, Department of Medicine, Columbia University Medical Center and New York Presbyterian Hospital (S.A.P.).
6. Cardiovascular Medicine, University of Massachusetts Medical School, Worcester (A.K.).
7. Division of Cardiology, John Ochsner Heart and Vascular Institute, Ochsner Clinical School of the
University of Queensland, Ochsner Medical Center, New Orleans, LA (C.J.W.).
8. Department of Cardiology, Saint Francis Hospital, Teaching Affiliate, University of Connecticut School of Medicine, Hartford (S.C.).
9. Division of Cardiology, Mid America Heart and Vascular Institute, Saint Luke’s Hospital, Kansas City, MO (K.F.K.).
10. Division of Cardiology, Center for Outcomes Research and Evaluation, Yale New Haven Health System, Yale New Haven Hospital, CT (N.R.D.).
11. Texas Tech University Health Sciences Center, El Paso (D.M.).
12. Division of Cardiology, University Hospitals Harrington Heart and Vascular Institute, Cleveland, OH (M.H.S.).