1. Department of Inorganic and Analytical Chemistry; University of Szeged; 6720 Szeged Hungary
2. Department of Physical Chemistry and Material Sciences; University of Szeged; 6720 Szeged Hungary
3. Department of Chemistry; University of Copenhagen; 2100 Copenhagen Denmark
4. Department of Chemistry; Technical University of Denmark; 2800 Kongens Lyngby Denmark
5. Institute of Organic Chemistry and Biochemistry, Gilead Sciences and IOCB Research Center Prague; Academy of Sciences of the Czech Republic; 166 10 Prague 6 Czech Republic
6. Nagata Special Laboratory, Faculty of Medicine; University of Tsukuba; Tsukuba 305-8575 Japan
7. MTA-SzTE Bioinorganic Chemistry Research Group of Hungarian Academy of Sciences; 6720 Szeged Hungary