1. 1 Virginia Polytechnic Institute and State University, Blacksburg, VA 24061
2. 2 University of Wisconsin-Madison, Madison, WI 53706
3. 3 University of New York at Albany, Albany, NY 12222
4. 4 Columbus College, Columbus, GA 31993
5. 5 University of Pittsburgh, Pittsburgh, PA 15260
6. 6 Illinois State University, Normal, IL 61761