1. Baylor University Medical Center Dallas Texas
2. Baylor Heart and Vascular Institute Dallas Texas
3. Baylor Jack and Jane Hamilton Heart and Vascular Hospital Dallas Texas
4. Texas A&M Health Science Center College of Medicine Dallas Texas
5. Medical University of South Carolina Charleston South Carolina
6. Ralph H. Johnson VA Medical Center Charleston South Carolina
7. Minneapolis Heart Institute Minneapolis Minnesota
8. University of Texas, Southwestern Medical Center Dallas Texas
9. Real World EvidenceCTI Clinical Trial & Consulting Services Covington Kentucky