Affiliation
- Princeton University4
- Simon Fraser University4
- Swinburne University of Technology4
- University of California, Davis4
- University of California, Santa Barbara4
- University of New South Wales4
- University of Saskatchewan4
- Virginia Military Institute4
- 香港理工大學4
- Carnegie Mellon University3
- Cleveland State University3
- College of the Canyons3
- Cornell University3
- Elon University3
- European University Institute3
- Florida State University3
- Formerly of Loyola Marymount University3
- George Mason University3
- George Washington University3
- Gettysburg College3