2. Stanford University Stanford University, USA

3. Yale University, Yale University

4. California Institute of Technology.

5. University of California at Berkeley, USA

6. Cambridge University, UK

7. Massachusetts Institute of Technology, USA

8. Oxford University Oxford University, UK

9. University of California, San Francisco

10. Columbia University 1 1. University of Michigan at ann arbor.

12. UCLA, USA

13. University of Pennsylvania.

14. Duke University, USA

15. Princeton University, USA 16. University of Tokyo, Japan

17. Imperial College London, Imperial College London, University of London, UK

18. University of Toronto 19. Cornell University, Cornell University of America

20. University of Chicago 2 1. Swiss Federal Institute of Technology Zurich. University of Washington in Seattle, USA.

23. University of California, San Diego

24. Johns Hopkins University, Johns Hopkins University

25. University College London, United Kingdom.

26. Swiss Federal Institute of Technology Lausanne, Switzerland.

27. University of Texas at Austin, USA

28. University of Wisconsin-Madison.

29. Kyoto University, Japan

30. University of Minnesota, Twin Cities, USA

3 1. University of British Columbia

University of Geneva, Switzerland

33. Washington University, St. Louis, USA

34. London School of Economics, London School of Economics, UK

35. Northwest University 36. National University of Singapore.

37. University of Pittsburgh. Australian National University.

39. new york University, new york University, USA.

40. Pennsylvania State University, USA

4 1. University of North Carolina at Chapel Hill, USA

42. McGill University, Canada

43. Paris Polytechnic, France

44. university of basel.

45. University of Maryland, USA. University of Zurich, Switzerland

47. University of Edinburgh. University of Illinois at Urbana-Champaign. University of Bristol.

50. University of Sydney 5 1. University of Colorado at Boulder, USA.

52. utrecht university, Netherlands

53. Melbourne University, Australia

54. University of Southern California

55. university of alberta.

56. Brown University, USA

57. Osaka University, Japan

58. University of Manchester, UK

59. University of California, Santa Barbara, USA

60. Hong Kong University of Science and Technology.

6 1. University of Vakhnin, University of Vakhnin, Netherlands. Michigan State University, USA.

63. University of Munich, Germany

64. University of New South Wales, Australia

65. Boston University, Boston University

66. Vanderbilt University, USA

67. University of Rochester, USA

Tohoku University, Japan

69. University of Hong Kong

70. University of Sheffield, UK

7 1. Nanyang Technological University, Singapore

University of Vienna, Austria. Monash University, Monash University, Australia. University of Nottingham, UK. Carnegie Mellon University, USA.

76. Lund University and Rand University in Sweden

77. Texas A & amp； Texas A&M University; M university

78. Australian University of Western Australia.

79. Paris Higher Normal School, France.

80. University of Virginia 8 1. Technical University of Munich, Germany

82. Hebrew University of Jerusalem.

Leiden University, Netherlands

84. University of Waterloo. King's College London, University of London, UK.

purdue university

87. University of Birmingham, UK. Uppsala University, Uppsala University, Sweden

University of Amsterdam, Netherlands

90. Heidenborg University 9 1. University of Queensland.

92. University of Leuven, Belgium

93. Emory University, Emory University, USA

Nagoya University, Nagoya University, Japan

95. case western reserve university, case western reserve university, USA

96. The Chinese University of Hong Kong.

97. Newcastle University, UK

University of Innsbruck, Austria

99. University of Massachusetts Amherst.

100. University of Sussex, UK