| Croatia |
|
| University of Zagreb |  |
| Czechia |
|
| Palacký University Olomouc |  |
| University of Ostrava |  |
| Univerzita Karlova |  |
| Estonia |
|
| University of Tartu |  |
| Tallinn University |  |
| Finland |
|
| University of Eastern Finland |  |
| Germany |
|
| Leipzig University |
|
| European University Flensburg |
|
| University of Vechta |  |
| Catholic University of Eichstätt-Ingolstadt |  |
| Osnabrück University |  |
| Lithuania |
|
| Klaipėda University |  |
| Latvia |
|
| University of Latvia |  |
| Portugal |
|
| University of Lisbon |  |
| Slovakia |
|
| Pavol Jozef Šafárik University in Košice |  |
| Technical University of Košice - Tuke |  |
| Slovenia |
|
| University of Ljubljana |  |
| Turkey |
|
| Afyon Kocatepe University |  |
| Hungary |
|
| Eötvös Loránd University |  |
