1. NANOTEC-CNR, Institute of Nanotechnology, Soft and Living Matter Laboratory -Piazzale A. Moro 2
2. Roma
3. Italy
4. Dipartimento di Fisica, Università di Roma “Sapienza”
5. Departamento de Fìsica de la Matèria Condensada
6. Universitat de Barcelona
7. 08028 Barcelona
8. Spain
9. CNR-ISC, Institute of Complex Systems