1

University of California, Berkeley (UCB)

2

Harvard University

3

ETH Zurich (Swiss Federal Institute of Technology)

4

University of Cambridge

5

Stanford University

6

Massachusetts Institute of Technology (MIT)

7

University of Oxford

8

Wageningen University

9

Imperial College London

10

University of Michigan

11

The University of Queensland

12

Australian National University

13

The University of Melbourne

14

National University of Singapore (NUS)

15

University of California, Davis

16

Yale University

17

Tsinghua University

18

Seoul National University

19

Delft University of Technology

20

Cornell University

20

Technical University of Denmark