1. Center for Heart Valve Innovation, St Paul’s and Vancouver General Hospital, University of British Columbia, Vancouver, Canada (D.A.W., J.S., S.L., J.G.W.).
2. Baylor St Luke Hospital, Houston, TX (Z.K., N.S.).
3. Wellmont CVA Heart Institution, TN (C.M.).
4. Stanford University Medical Center, CA (W.F., J.T.L., M.D.).
5. Holston Valley Medical Center, TN (M.A.).
6. MedStar Washington Hospital Center, Washington DC (L.F.S., R.W., I.B.-D., N.B.).
7. Henry Ford Hospital, MI (M.E., W.W.O.).
8. Cleveland Clinic Foundation, OH (S. Kapadia, A.K.).
9. Emory University Hospital, GA (A.G.).
10. The Heart Hospital Baylor Plano, TX (M.S., S.P., D.B.).
11. St Vincent Heart Center, IN (D.H., A.S., S.M.).
12. Lankenau Medical Center, PA (P.C., R.R.).
13. Columbia-Presbyterian Hospital, NY (S. Kodali).
14. Saint Luke’s Mid America Heart Institute, Kansas City (A.K.C., D.J.C.).
15. Penn State Health/Hershey Medical Center, PA (P.Y., M.K.).
16. Temple University Hospital, PA (B.O.).
17. North Central Heart, SD (J.M.B.).
18. Evanston Hospital, IL (T.F.).
19. Mayo Clinic, MN (M.G.).
20. CAMC Health Education and Research, WV (A.N., J.C.).
21. Swedish Heart and Vascular, WA (R.B., M.Z.).
22. DeBakey Heart and Vascular Center, TX (C.B.).
23. The Houston Methodist Hospital, TX (A.L.).
24. University of California San Diego, CA (A.B.).
25. Essential Medical Inc, PA (N.M., S.N.).