1. Doctoral School on Materials Sciences and Technologies, Óbuda University, Bécsi út 96/B, 1034 Budapest, Hungary
2. Bánki Donát Faculty of Mechanical and Safety Engineering, Óbuda University, Népszínház u. 8., 1081 Budapest, Hungary
3. Department of Informatics, Milton Friedman University, Kelta u. 2., 1039 Budapest, Hungary