|
University of Maryland, College Park
|
Universitat
|
Estats Units |
5
|
|
Universidade de Lisboa
|
Universitat
|
Portugal |
3
|
|
Universidad de Valladolid
|
Universitat
|
Espanya |
1
|
|
Oregon State University
|
Universitat
|
Estats Units |
1
|
|
University of Freiburg
|
Universitat
|
Alemanya |
1
|
|
Technical University Munich
|
Universitat
|
Alemanya |
1
|
|
Universidade de Évora
|
Universitat
|
Portugal |
1
|
|
University of Toronto
|
Universitat
|
Canadà |
1
|
|
Norwegian University of Life Sciences
|
Universitat
|
Noruega |
1
|
|
Arizona State University
|
Universitat
|
Estats Units |
1
|
|
University of Colorado Boulder
|
Universitat
|
Estats Units |
1
|
