1. Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 40 Prague, Czech Republic
2. Centre de Biophysique Moléculaire, CNRS, Rue Charles Sadron, 45071 Orléans Cedex 2, France
3. Department of Inorganic and Analytical Chemistry, University of Debrecen, Egyetem tér 1, 4010 Debrecen, Hungary