1. Department of Geography, Geoinformatics and Regional Development, Faculty of Natural Sciences and Informatics, Constantine the Philosopher University in Nitra, Nitra, Slovakia
2. Institute of Geography, Slovak Academy of Sciences, Bratislava, Slovakia
3. Department of Informatics, Modelling, Electronics and System Engineering, University of Calabria, Arcavacata di Rende (CS), Italy
4. Department of Economics, Engineering, Society and Business Organization (DEIM), Tuscia University, Viterbo (VT), Italy