1. University of Colorado Anschutz Medical Campus Aurora Colorado
2. Emory University School of Medicine Atlanta Georgia
3. Children's Medical Center at Dallas University of Texas Southwestern Medical Center Dallas Texas
4. Phoenix Children's Hospital Phoenix Arizona
5. Oregon Health & Science University Portland Oregon
6. University of Texas Houston Texas
7. Tulane University New Orleans Louisiana
8. Indiana Hemophilia and Thrombosis Center Indianapolis Indiana
9. Blood Research Institute BloodCenter of Wisconsin/Versiti Milwaukee Wisconsin