1. University of Wisconsin, Madison, Wisconsin
2. The Pennsylvania State University College of Medicine, Hershey, Pennsylvania
3. Case Western Reserve University, Cleveland, Ohio
4. University of California San Francisco, San Francisco, California
5. Harvard Medical School, Boston, Massachusetts
6. Washington University, St. Louis, Missouri
7. Wake Forest University, Winston-Salem, North Carolina
8. University of Pittsburgh, Pittsburgh, Pennsylvania
9. The Cleveland Clinic, Cleveland, Ohio
10. University of Virginia, Charlottesville, Virginia
11. Emory University, Atlanta, Georgia; and
12. Virginia Commonwealth University, Richmond, Virginia