1 Harvard University, United States
2 Massachusetts Institute of Technology (MIT), United States
3 Stanford University, United States
4 University of Cambridge, United Kingdom
5 University of Oxford,United Kingdom
6 University of California, Berkeley, United States
7 Princeton University, United States
8 Yale University, United States
9 California Institute of Technology (Caltech), United States
10 University of California, Los Angeles (UCLA), United States
11 The University of Tokyo,Japan
12 Columbia University, United States
13 Imperial College London, United Kingdom
14 University of Chicago, United States
15 University of Michigan, United States
16 ETH Zürich – Swiss Federal Institute of Technology Zürich, Switzerland
17 Cornell University ,United States
18 Johns Hopkins University, United States
19 Kyoto University, Japan
20 University of Toronto,Canada
