Harvard University

University of California, Berkeley

University of Pennsylvania

University of Michigan

Washington University in St. Louis

The University of Texas at Austin

University of Wisconsin-Madison

University of California, Santa Barbara

Ohio State University

University of Pittsburgh

University of Colorado at Boulder

University of Illinois at Urbana-Champaign

The Pennsylvania State University

University of California, Santa Cruz

University of California, Irvine

University of Arizona

Michigan State University

Purdue University

Indiana University Bloomington

University of Massachusetts Amherst