1. Faculty of Science and Informatics, Department of Mineralogy, Geochemistry and Petrology, University of Szeged, Szeged, Hungary
2. MTA Research Centre for Astronomy and Earth Sciences, Geodetic and Geophysical Institute, Sopron, Hungary
3. Department of Geochemistry and Laboratories, Mining and Geological Survey of Hungary, Budapest, Hungary
4. Department of Physics and Chemistry, Hungarian Institute for Forensic Sciences, Budapest, Hungary