A     Berkeley, CA, Spring 1990

Β     University of California, Davis, Spring 1990
Γ     University of California, San Diego, Winter 1992
Δ     University of California, Santa Cruz, Spring 1992
Ε     Riverside, CA, Summer 1992
Ζ     Stanford University, Fall 1993
Η     University of Texas, Austin, Fall 1994
Θ     University of Pennsylvania, Fall 1994
Ι      University of Houston, Fall 1994
Κ     University of California, Irvine, Fall 1994
Λ     University of Michigan, Ann Arbor, Winter 1996
Μ     California State University, Sacramento, Spring 1996
Ν     Pennsylvania State University, Fall 1994
Ξ     San Jose State University, Spring 1995

Ο     California Polytechnic State University, San Luis Obispo, Spring 1996
Π     University of Washington, Spring 1998
Ρ     State University of New York, Buffalo, Spring 1997
Σ     University of Virginia, Fall 1999
T     Cornell University, Spring 1997
Υ      University of Illinois, Urbana Champaign, Spring 2000

Χ     University of Oklahoma, Spring 2005

Ψ    Rutgers University, Spring 2000

AA   University of South Florida, Spring 2006

AB   Duke University, Spring 2006

AΓ    State University of New York, Stony Brook, Winter 1999