|
Universidade Federal de Campina Grande
|
University
|
Brazil |
13
|
|
Universidade Federal da Paraíba
|
University
|
Brazil |
13
|
|
Universitat de València
|
University
|
Spain |
6
|
|
Universidade Federal do Rio Grande do Norte
|
University
|
Brazil |
5
|
|
Universidade de Lisboa
|
University
|
Portugal |
4
|
|
Universidad de Salamanca
|
University
|
Spain |
3
|
|
Joint Institute for Nuclear Research
|
Research Centre
|
Russia |
3
|
|
Universidad Complutense de Madrid
|
University
|
Spain |
2
|
|
Instituto de Física Corpuscular
|
Research Centre
|
Spain |
2
|
|
Instituto de Astronomía y Física del Espacio
|
Research Centre
|
Argentina |
2
|
|
Universidad Autónoma de Madrid
|
University
|
Spain |
1
|
|
Universidad de Buenos Aires
|
University
|
Argentina |
1
|
