1. Budapest University of Technology and Economics, Faculty of Chemical Technology and Biotechnology, Department of Inorganic and Analytical Chemistry, H-1111 Budapest, Műegyetem rkp. 3, Hungary
2. Department of Drug and Arson Investigation, Hungarian Institute for Forensic Sciences, Mosonyi Street 9, Budapest, Hungary
3. HILICON AB, Tvistevägen 48, Umeå, Sweden