National and Kapodistrian University of Athens
|
University
|
Greece |
4
|
Charles University in Prague
|
University
|
Czechia |
3
|
University of Antwerp
|
University
|
Belgium |
3
|
Jagiellonian University
|
University
|
Poland |
3
|
Eötvös Loránd University
|
University
|
Hungary |
3
|
Università di Camerino
|
University
|
Italy |
3
|
Universidade Do Porto
|
University
|
Portugal |
3
|
University of Belgrade
|
University
|
Serbia |
3
|
Universidade de Aveiro
|
University
|
Portugal |
3
|
Humboldt University of Berlin
|
University
|
Germany |
3
|
University of Ljubljana
|
University
|
Slovenia |
3
|
University of Helsinki
|
University
|
Finland |
3
|
Université de Genève
|
University
|
Switzerland |
3
|
University of Giessen
|
University
|
Germany |
3
|
University of Paris-Sorbonne
|
University
|
France |
3
|
Universidad de Málaga
|
University
|
Spain |
2
|
Estación Experimental de Aula Dei
|
Research Centre
|
Spain |
2
|
Rudjer Boskovic Institute
|
Research Centre
|
Croatia |
2
|
University of Bucharest
|
University
|
Romania |
2
|
Utrecht University
|
University
|
Netherlands |
2
|
University of Padua
|
University
|
Italy |
2
|
Babeș-Bolyai University
|
University
|
Romania |
2
|
University of Leipzig
|
University
|
Germany |
2
|
University of Warsaw
|
University
|
Poland |
2
|
Sofia University
|
University
|
Bulgaria |
2
|
Universidade de Lisboa
|
University
|
Portugal |
2
|
University of Parma
|
University
|
Italy |
2
|
University of Vienna
|
University
|
Austria |
2
|
Universidade de Trás-os-Montes e Alto Douro
|
University
|
Portugal |
2
|
Karlstad University
|
University
|
Sweden |
2
|
University of Montpellier
|
University
|
France |
2
|
University of Information Technology and Management in Rzeszow
|
University
|
Poland |
2
|
Weizmann Institute of Science
|
Research Centre
|
Israel |
2
|
Commonwealth Scientific and Industrial Research Organisation
|
Research Centre
|
Australia |
1
|
University of Southampton
|
University
|
United Kingdom |
1
|
Middle East Technical University
|
University
|
Turkey |
1
|
Istanbul University
|
University
|
Turkey |
1
|
University of Tirana
|
University
|
Albania |
1
|
Michigan State University
|
University
|
United States |
1
|
Hacettepe University
|
University
|
Turkey |
1
|
Rutgers University
|
University
|
United States |
1
|
Herzog College
|
University
|
Israel |
1
|