1. Department of Organic Chemistry and Research Group for Petrochemistry of the Hungarian Academy of Sciences, University of Veszprém, Egyetem u. 8., P.O. Box 158, H-8200 Veszprém, Hungary
2. Department of Inorganic Chemistry and Research Group for Chemical Sensors of the Hungarian Academy of Sciences, University of Pécs, Ifjúság u. 6., P.O. Box 266, H-7623 Pécs, Hungary