1. University of Vermont Larner College of Medicine, Burlington (H.L.D.).
2. Department of Cardiac Surgery, University of Michigan, Ann Arbor (G.M.D.).
3. Departments of Cardiac Surgery and Cardiology, Aurora Healthcare, Milwaukee, WI (D.P.O., T.B.).
4. Current address: Boulder Heart, CO (D.P.O.).
5. Section of Interventional Cardiology, MedStar Washington Hospital Center, DC (R.W.).
6. Department of Cardiology, Riverside Methodist Hospital, Columbus, OH (S.J.Y.).
7. Departments of Cardiology and Cardiothoracic Surgery, Houston Methodist DeBakey Heart and Vascular Center, Houston, TX (N.S.K., M.J.R.).
8. Division of Cardiology, University of Michigan, Ann Arbor (S.J.C.).
9. Division of Cardiovascular Medicine, St Vincent’s Medical Center, IN (J.B.H.).
10. Departments of Cardiovascular Surgery and Internal Medicine, Cardiovascular Division, Beth Israel Deaconess Medical Center, Boston, MA (K.K., J.J.P.).
11. Divisions of Cardiology and Cardiothoracic Surgery, University of Miami Miller School of Medicine, Miami, FL (E.d.M., T.S.).
12. Coronary and Structural Heart Clinical Operations, Medtronic, Mounds View, MN (J.L.D.-D., S.L.).