1. Department of Chemistry, University of Louisiana at Lafayette, P.O. Box 43700, Lafayette, LA 70504, USA
2. Department of Chemistry, Faculty of Science, Alexandria University, Moharam Bey 21511, Alexandria, Egypt
3. Institut für Anorganische Chemische, Technische Universität Graz, Stremayrgasse 9/V, A-8010 Graz, Austria
4. Institut für Physikalische and Theoretische Chemie, Technische Universität Graz, Stremayrgasse 9/II, A-8010, Graz, Austria
5. Czech Advanced Technology and Research Institute, Regional Centre of Advanced Technologies and Materials, Palacký University, Křížkovského 511/8, CZ-779 00 Olomouc, Czech Republic
6. Department of Cell Biology and Genetics, Faculty of Science, Palacký University, Šlechtitelů 27, CZ-783 71 Olomouc, Czech Republic