1
Harvard University
2
Stanford University
3
University of California--Berkeley
4
Johns Hopkins University
5
Rockefeller University
5
University of California--San Francisco
7
Yale University
8
Duke University
9
Massachusetts Institute of Technology
10
Princeton University
11
California Institute of Technology
12
University of California--San Diego
13
Cornell University
13
University of Pennsylvania
13
University of Wisconsin--Madison
16
Columbia University
16
Washington University in St. Louis
18
Baylor College of Medicine
18
University of Chicago
18
University of Michigan--Ann Arbor
18
University of North Carolina--Chapel Hill