1. Advent Health Orlando Orlando Florida USA
2. University of Illinois Hospital and Health Sciences System Chicago Illinois USA
3. Henry Ford Health System Detroit Michigan USA
4. University of Pittsburgh and UPMC Presbyterian Hospital Pittsburgh Pennsylvania USA
5. Froedtert & the Medical College of Wisconsin Milwaukee Wisconsin USA
6. Northside Hospital Atlanta Georgia USA
7. Aurora Healthcare Milwaukee Wisconsin USA
8. St Vincent Hospital Indianapolis Indiana USA
9. St. Luke's Medical Center Milwaukee Wisconsin USA
10. University of Alabama Birmingham Birmingham Alabama USA
11. Allegheny General Hospital Pittsburgh Pennsylvania USA
12. Brown Physicians Inc. Providence Rhode Island USA
13. United Therapeutics Corporation Research Triangle Park North Carolina USA
14. Beaumont Health Troy Michigan USA