1. Max Planck Institute for Polymer Research
2. 55128 Mainz
3. Germany
4. Institut d'Electronique
5. de Microélectronique et de Nanotechnologie (IEMN)
6. UMR-CNRS 8520
7. 59655 Villeneuve d'Ascq
8. France
9. Department of Materials Science and Engineering
10. University of Pennsylvania
11. Philadelphia
12. USA
13. Catalan Institute of Nanoscience and Nanotechnology (ICN2)
14. CSIC and the Barcelona Institute of Science and Technology
15. 08193 Bellaterra
16. Spain
17. ICREA
18. Department of Materials Science
19. University of Crete and IESL/FORTH