1. Georgetown University School of Medicine Washington DC
2. Mayo Clinic at Jacksonville Jacksonville Florida
3. University of Washington Seattle
4. Hospital for Special Surgery and Weill Cornell Medicine New York New York
5. University of Texas Southwestern Medical Center Dallas
6. University of Michigan Ann Arbor
7. University of Kentucky Lexington
8. Centre Hospitalier Universitaire de Nîmes and University of Montpellier Nîmes France
9. University of California at San Diego