1. Columbia University Irving Medical CenterNew York, New York
2. University of Texas Southwestern Medical CenterDallas, Texas
3. University of Southern CaliforniaLos Angeles, California
4. Imperial College LondonLondon, United Kingdom
5. University of Virginia School of MedicineCharlottesville, Virginia
6. Weill-Cornell Medical CenterNew York, New York
7. University of Washington Medical CenterSeattle, Washington
8. Duke University Medical Center and Duke Clinical Research InstituteDurham, North Carolina
9. AstraZenecaCambridge, United Kingdom
10. University of MelbourneMelbourne, Victoria, Australia