1 Harvard University, USA
University of Cambridge, UK
3 Stanford University, USA
4 Yale University, USA
5 Massachusetts Institute of Technology, USA
6 Princeton University, USA
7 Oxford University, UK
California Institute of Technology
University of Pennsylvania
10 Columbia University, USA
University of California, Berkeley.
12 Duke University, USA
13 UCLA, USA
14 University of Washington, Seattle, USA
15 Johns Hopkins university, USA
16 University of Tokyo, Japan
17 Humboldt University in Berlin? Germany
18 University of California, San Francisco
University of California, San Diego? United States of America
Lomonosov State University, Moscow, Russia
2 1 University of London Imperial College London London, UK
University of Texas at Austin, USA
University of Michigan, USA
University of Toronto, Canada
university of wisconsin
Kyoto University, Japan
University of Illinois
University of Minnesota
university college london
Cornell University, USA
3 1 Washington university in St. Louis, USA
University of Chicago
university of colorado
University of North Carolina, USA
Swiss Federal Institute of Technology Zurich
Pennsylvania State University, USA
University of Maryland
Brown University, USA
39 Boston University, USA
University of California at Davis, USA
4 1 Ohio state university, USA
Osaka University, Japan
University of British Columbia, Canada
University of Florida
45 Northwestern University, USA
University of Liverpool
Georgetown University, USA
Tohoku University, Japan
49 new york University, USA
the university of edinburgh
5 1 University of California, Santa Barbara, USA
University of Helsinki, Finland
University of Munich, Germany
University of Southern California
55 University of Massachusetts, USA
Texas Agricultural Machinery University, USA
University of Pittsburgh
University of Iowa, USA
59 utrecht university, Netherlands
Emory University, USA
6 1 karolinska institutet, Sweden
Indiana University
University of Alabama, USA
University of Bristol, UK
Hebrew University of Israel
Rand University, Sweden
University of alberta, Canada
Rutgers University, USA
University of California at Irvine, USA
University of Virginia
7 1 University of Utah, USA
University of Manchester, UK