1. University of California-San Francisco Medical Center, San Francisco
2. Scripps Green Hospital, La Jolla, California
3. University of Minnesota Medical Center, Minneapolis
4. Baylor All Saints and Baylor University Medical Center, Dallas, Texas
5. University of Pittsburgh, Pittsburgh, Pennsylvania
6. University of California-Los Angeles Medical Center, Los Angeles
7. Mayo Clinic Florida, Jacksonville
8. Beth Israel Deaconess Medical Center, Boston, Massachusetts
9. Yale New Haven Hospital, New Haven, Connecticut
10. University of Pennsylvania, Philadelphia
11. University of Arizona Medical Center, Tucson
12. New York Presbyterian/Columbia University Medical Center, New York
13. University of California-San Diego Medical Center, San Diego
14. Barnes-Jewish Hospital, St Louis, Missouri
15. Oregon Health and Science University, Portland
16. University of Alabama Hospital, Birmingham
17. Brigham and Women's Hospital, Boston, Massachusetts
18. Cleveland Clinic Foundation, Cleveland, Ohio
19. Mayo Clinic Rochester, Rochester, Minnesota
20. Medical College of Wisconsin, Milwaukee
21. New York University Langone Medical Center, New York
22. University of Texas Southwestern Medical Center, Parkland Memorial Hospital, Dallas
23. Mayo Clinic Arizona, Phoenix