Matej Bel University, Banská Bystrica, Slovakia https://www.umb.sk/en/
University of West Bohemia, Plzeň, Czechia https://www.zcu.cz/en/index.html
University of Debrecen, Debrecen, Hungary, https://www.edu.unideb.hu/
Ivan Franko National University of Lviv, Lviv, Ukraine https://lnu.edu.ua/en/