1 Massachusetts Institute of Technology

　　1 Stanford University

　　1 University of California--Berkeley

　　5 Cornell University

　　5 University of Illinois--Urbana-Champaign

　　7 University of Washington

　　8 Princeton University

　　8 University of Texas--Austin

　　10 Georgia Institute of Technology

　　11 California Institute of Technology

　　11 University of Wisconsin--Madison