1. Harvard Medical School, Brigham and Women's Hospital, and Boston University School of Public Health; Boston Massachusetts
2. Yale School of Medicine; New Haven Connecticut
3. Brigham and Women's Hospital; Boston Massachusetts
4. University of California; San Francisco
5. Kolling Institute and Royal North Shore Hospital, University of Sydney; Sydney Australia
6. Yale School of Medicine, New Haven, Connecticut, and Veterans Affairs Medical Center; West Haven Connecticut
7. Harvard Medical School and Brigham and Women's Hospital; Boston Massachusetts
8. Harvard Medical School, Brigham and Women's Hospital, and Massachusetts General Hospital; Boston