1. Helmholtz Institute Mainz GSI Helmholtzzentrum für Schwerionenforschung 64291 Darmstadt Germany
2. Johannes Gutenberg University 55090 Mainz Germany
3. Dept. of Molecular Biotechnology and Health Sciences University of Torino Torino 10126 Italy
4. Technical University of Kaiserslautern 67663 Kaiserslautern Germany
5. Institute of Biostructures and Bioimaging National Research Council of Italy Torino 10126 Italy
6. School of Chemistry University of Southampton Southampton SO17 1BJ Vereinigtes Königreich
7. International Tomography Center Siberian Branch of the Russian Academy of Science Novosibirsk 630090 Russia
8. Novosibirsk State University Novosibirsk 630090 Russia
9. Eduard-Zintl-Institute for Inorganic Chemistry and Physical, Chemistry Technical University Darmstadt 64287 Darmstadt Germany