1 Princeton University (NJ)
2 Harvard University (MA)
2 Yale University (CT)
4 California Institute of Technology
5 Massachusetts Inst. of Technology
6 Stanford University (CA)
6 University of Pennsylvania
8 Duke University (NC)
9 Dartmouth College (NH)
10 Columbia University (NY)
10 Cornell University (NY)
10 University of Chicago
13 Northwestern University (IL)
13 Rice University (TX)
15 Brown University (RI)
15 Johns Hopkins University (MD)
15 Washington University i
