1. University of Washington School of Medicine Seattle Washington USA
2. Harborview Medical Center Seattle Washington USA
3. University of Washington Seattle Washington USA
4. University of California San Francisco San Francisco California USA
5. University of Washington Medical Center Seattle Washington USA
6. Brown University Warren Alpert Medical School Providence Rhode Island USA
7. Rhode Island Hospital Providence Rhode Island USA
8. University of Arizona College of Medicine—Phoenix Phoenix Arizona USA
9. Banner‐University Medical Center—Phoenix Phoenix Arizona USA
10. Cedars‐Sinai Medical Center Los Angeles California USA
11. Bryan Medical Center Lincoln Nebraska USA
12. Massachussetts General Hospital Boston Massachusetts USA
13. Harvard Medical School Boston Massachusetts USA
14. Feinberg School of Medicine Northwestern University Chicago Illinois USA
15. Ohio State University Wexner Medical Center Columbus Ohio USA
16. Springfield Hospital Springfield Vermont USA
17. Stanford School of Medicine Pleasanton California USA
18. Mayo Clinic Rochester Minnesota USA
19. Thomas Jefferson University Sidney Kimmel Medical College Philadelphia Pennsylvania USA
20. University of Nebraska Medical Center Omaha Nebraska USA
21. University of Texas MD Anderson Cancer Center Houston Texas USA
22. University of Utah Health Salt Lake City Utah USA
23. Washington DC VA Medical Center Washington District of Columbia USA
24. University of Virginia Health System Charlottesville Virginia USA