1. Fondazione Ugo Bordoni, Rome, Italy
2. Gran Sasso Science Institute, L'Aquila, Italy
3. DGTCSI-ISCTI MiSE Italian Ministry for Economic Development, Rome, Italy
4. DGTCSI-ISCTI MiSE Italian Ministry for Economic Development, Tome, Italy
5. University of Rome "Tor Vergata", Roma, Italy
6. University of Tuscia, Viterbo, Italy