1. School of Medicine, Wake Forest University, Winston-Salem, North Carolina
2. Penn State College of Medicine, Penn State University, Hershey, Pennsylvania
3. University of Wisconsin–Madison, Madison, Wisconsin
4. School of Medicine, Washington University, St. Louis, Missouri
5. Cleveland Clinic, Cleveland, Ohio
6. Brigham and Women’s Hospital, Boston, Massachusetts
7. College of Medicine, University of Arizona, Tucson, Arizona
8. University of Pittsburgh, Pittsburgh, Pennsylvania; and
9. University of California–San Francisco, San Francisco, California