1. Adolphe Merkle Institute and Fribourg Center for Nanomaterials
2. University of Fribourg
3. Fribourg
4. Switzerland
5. Division of Physical Chemistry
6. Department of Chemistry
7. Lund University
8. Lund
9. Sweden
10. Institut de Physique de la Matière Condensée
11. EPF Lausanne
12. Lausanne
13. Department of Geosciences
14. Institut fur Geophysik
15. ETH Zurich
16. Zurich