University of Illinois at Urbana-Champaign, University of Illinois at Urbana-Champaign, University of Illinois at Urbana-Champaign, University of Illinois at Urbana-Champaign, University of Illinois at Urbana-Champaign, Princeton University, Harvard University, University of Chicago, Carnegie Mellon University, University of Michigan, Carnegie Mellon University, Virginia Tech, University of Michigan, New York University (NYU), University of California San Diego, University of Michigan, Carnegie Mellon University, Harvard University, University of Illinois at Urbana-Champaign, Virginia Tech, Harvard University, University of Illinois at Urbana-Champaign, Carnegie Mellon University, Carnegie Mellon University, University of Southern California, University of Illinois at Urbana-Champaign, University of Illinois at Urbana-Champaign and University of Illinois at Urbana-Champaign

University of Southern California, Massachusetts Institute of Technology (MIT), Arizona State University and University of Southern California