1. Univ Angers, CNRS, MOLTECH-ANJOU, SFR MATRIX, F-49000 Angers, France
2. Faculty of Chemistry and Pharmacy, University of Sofia, 1 James Bourchier blvd., 1164 Sofia, Bulgaria
3. ENS de Lyon, CNRS, Laboratoire de Chimie UMR 5182, F-69342 Lyon, France
4. Institut Universitaire de France, 5 rue Descartes, 75005 Paris, France
5. Department of Medical Biochemistry and Biophysics, Umeå University, SE-901 87, Umeå, Sweden
6. Institute of Advanced Materials, Faculty of Chemistry, Wrocław University of Science and Technology, 50-370 Wrocław, Poland