B University of California, Davis - Spring 1990

Δ University of California, Santa Cruz - Spring 1992

Z Stanford University - Fall 1993

H University of Texas, Austin - Fall 1993

Θ University of Pennsylvania - Fall 1994

I University of Houston - Fall 1994

𝐊 University of California, Irvine - Fall 1994

Λ University of Michigan, Ann Arbor - Winter 1996

N Pennsylvania State University - Fall 1994

Ξ San Jose State University - Spring 1995

O Cal. Polytechnic State University, San Luis Obispo - Spring 1996

Π University of Washington - Spring 1998

P State University of New York, Buffalo - Spring 1997

Σ University of Virginia - Fall 1999

T Cornell University - Spring 1997

​