1. Virginia Tech, Blacksburg, VA, USA
2. Battelle, Columbus, OH, USA
3. University of California, Irvine, Irvine, CA, USA
4. Tulane University, New Orleans, LA, USA
5. Duke University, Durham, NC, USA
6. University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
7. The Ohio State University, Columbus, OH, USA
8. Rensselaer Polytechnic Institute, Troy, NY, USA
9. Princeton University, Princeton , NJ, USA