1. Case Western Reserve University School of Medicine, Cleveland, Ohio
2. University Hospitals of Cleveland, Cleveland, Ohio
3. University of Washington School of Medicine, Seattle, Washington
4. Warren Alpert Medical School of Brown University, Providence, Rhode Island
5. Emory University, Atlanta, Georgia
6. VA Boston Healthcare System, Boston, Massachusetts
7. Brigham and Women’s Hospital, Boston, Massachusetts
8. University of Massachusetts Chan School of Medicine-Baystate, Springfield, Massachusetts
9. McGill University Health Centre, Montreal, Quebec, Canada
10. University of Pennsylvania, Philadelphia, Pennsylvania