1. Ohio State University, Columbus, OH, USA
2. University of Washington, Seattle, WA, USA
3. University of Illinois at Chicago, Chicago, IL, USA
4. University of Missouri, Columbia, MO, USA
5. University of Sheffield, Sheffield, UK
6. American University, Washington, DC, USA
7. De La Salle University, Manila, Philippines
8. University of Maryland, College Park, MD, USA
9. Erasmus University Rotterdam, Rotterdam, The Netherlands
10. University of Georgia, Athens, GA, USA
11. Northeastern University, Boston, MA, USA
12. The Pennsylvania State University, State College, PA, USA
13. University of Wisconsin-Madison, Madison, WI, USA
14. University of California, Santa Barbara, Santa Barbara, CA, USA