1. Faculty of Science, Institute of Chemistry, Eötvös Loránd University, Pázmány Péter sétány 1/A, H-1117 Budapest, Hungary
2. Faculty of Science and Technology, Institute of Chemistry, University of Debrecen, Egyetem tér 1., H-4032 Debrecen, Hungary
3. Szent István Secondary School, Ajtósi Dürer sor 15., 1146 Budapest, Hungary