1. MetroHealth Medical Center
2. University of Cincinnati
3. University of Miami Hospital Ortho Clinic
4. Vanderbilt University Medical Center
5. UCSF/SFGH
6. Denver Health Medical Center
7. University of Wisconsin Hospital and Clinic
8. University of Washington
9. Methodist Hospital
10. University of Minneosota
11. University of Minneosta
12. University of Minnesota
13. Oregon Health & Science University (OHSU)
14. Regions Medical Center
15. University of Minnesota Medical Center
16. Health Partners