1. Laboratory of Inorganic Chemistry, University of Helsinki, P.O. Box 55, FIN-00014 Helsinki, Finland
2. Hauzer Techno Coating BV, 5928 LL Venlo, the Netherlands
3. Laboratoire de Physico-Chimie des Surfaces, CNRS (UMR 7075), Chimie ParisTech (ENSCP), F-75005 Paris, France
4. FEM Research Institute, Precious Metals and Metals Chemistry, D-73525 Schwäbisch Gmünd, Germany
5. Research Centre for Natural Sciences HAS (MTA TKK), 1025 Budapest, Hungary