1. University of California, San Francisco; San Francisco CA
2. Virginia Commonwealth University; Richmond VA
3. University of Michigan; Ann Arbor MI
4. University of Colorado; Boulder CO
5. Columbia University; New York NY
6. Northwestern University; Evanston IL
7. University of Pennsylvania; Philadelphia PA
8. University of California, Los Angeles; Los Angeles CA
9. University of Toronto; Toronto Ontario Canada
10. University of Virginia; Charlottesville VA
11. National Institutes of Health; Bethesda MD