1. University of California, San Diego, La Jolla, CA, USA
2. Southern Illinois University Edwardsville, Edwardsville, IL, USA
3. University of Glasgow, Glasgow, United Kingdom
4. Grand Valley State University, Allendale, MI, USA
5. Stanford University, Stanford, CA, USA
6. University of Connecticut, Storrs, CT, USA
7. University of Toronto, Mississauga, Toronto, ON, Canada