University of Arkansas
Auburn University at Auburn and Montgomery *
University of California – Berkeley
University of California – Irvine *
University of California – Los Angeles
University of California – Santa Cruz *
University of Cape Town, South Africa
Universidad Católica Sedes Sapientiae, Peru
University of Chicago
Universidad de Ciencias Medicas, Costa Rica
University of Connecticut *
Cornell University
Universidad de Costa Rica
Duke University
Universidad Estatal a Distancia, Costa Rica
University of Florida *
Florida International University
University of Georgia
George Mason University
George Washington University
Harvard University
University of Hawaii at Hilo *
University of Illinois at Urbana-Champaign and Chicago
Indiana University
Instituto de Ecologia, A.C., Xalapa, México
* Permanent Members