http://www.harvard.edu
2. Johns Hopkins University
http://www.jhu.edu
3. Washington University
http://www.wustl.edu
4. Duke University
http://www.duke.edu
5. University of Pennsylvania
http://www.upenn.edu
6. Yale University
http://www.yale.edu
7. Columbia University
http://www.columbia.edu
8. University of California San Francisco
http://www.ucsf.edu
9. Cornell University
http://www.cornell.edu
10. Stanford University
http://www.stanford.edu