1. Institute of Chemistry, Eötvös Loránd University, 1117 Budapest, Hungary, http://www.elte.hu
2. Regional Centre of Advanced Technologies and Materials, Palacky University in Olomouc, 78371 Olomouc, Czech Republic, http://www.rcptm.com
3. Institute of Molecular Pharmacology, Research Centre for Natural Sciences, HAS, 1117 Budapest, Hungary
4. Institute of Nuclear and Particle Research, Wigner Research Centre for Physics, HAS, 1121 Budapest, Hungary