1. University of Paris-Saclay
2. Atominstitut
3. Max Planck Institute for Physics
4. University of Coimbra
5. INFN Sezione di Roma-1
6. INFN Sezione di Roma II
7. University of Rome Tor Vergata
8. Istituto di Nanotecnologia
9. Sapienza University of Rome
10. Technical University of Munich
11. Austrian Academy of Sciences
12. INFN Sezione di Ferrara
13. Gran Sasso National Laboratory
14. University of Ferrara