1Harvar University
1Massachusetts Institute of Technology
1Princeton University 1Stanfor University
1University of California—Berkeley
1Yale University
7Northwestern University
7University of Chicago 9Columbia University
10University of Pennsylvania
11New York University
12University of California—Los Angeles
12University of California—San Diego
12University of Michigan—Ann Arbor
12University of Wisconsin—Maison
16Cornell University
16Duke University 16University of Minnesota—Twin Cities
19Brown University
20Carnegie Mellon University (Tepper)
21University of Marylan—College Park
21University of Rochester
23Boston University
23Johns Hopkins University
25Boston College
25Pennsylvania State University—University Park
27University of Texas—Austin
27Washington University in St. Louis
29Michigan State University
29Ohio State University
29University of California—Davis
29University of Illinois—Urbana-Champaign
29University of North Carolina—Chapel Hill
29University of Virginia
35University of Washington
35Vanerbilt University
