|
University of Alberta
|
University
|
Canada |
10
|
|
European Southern Observatory
|
Research Centre
|
Germany |
4
|
|
Instituto de Física Corpuscular
|
Research Centre
|
Spain |
3
|
|
Universidade Federal da Paraíba
|
University
|
Brazil |
3
|
|
Universidad de Valladolid
|
University
|
Spain |
2
|
|
Instituto Politécnico Nacional
|
University
|
Mexico |
2
|
|
University of Naples Federico II
|
University
|
Italy |
1
|
|
University of Oslo
|
University
|
Norway |
1
|
|
Tianjin University
|
University
|
China |
1
|
|
University of South Africa
|
University
|
South Africa |
1
|
|
International Center for Relativistic Astrophysics
|
Research Centre
|
Italy |
1
|
|
INFN Sezione di Napoli
|
Research Centre
|
Italy |
1
|
