1. CEMDRX
2. Physics Department
3. Universidade de Coimbra
4. P-3004-516 Coimbra
5. Portugal
6. Solid State Group
7. UCQR
8. IST/CTN
9. Instituto Superior Técnico
10. UTL
11. Department of Physics
12. MALTA Consolider Team, and Institute of Advances Studies in Atomic, Molecular and Photonics. Universidad de La Laguna
13. Santa Cruz de Tenerife
14. Spain
15. Advanced Materials Laboratory
16. ETSIIAA
17. Universidad de Valladolid
18. 34004 Palencia