1. INRiM, Istituto Nazionale di Ricerca Metrologica, Torino, TO, Italy
2. University of Salerno, Department of Physics, Salerno, Fisciano, Italy
3. University of Milano Bicocca, Department of Physics, Milano, MI, Italy
4. University of Salento, Department of Physics, Lecce, LE, Italy
5. INO-CNR BEC Center, Trento, Povo, Italy
6. Center for Axion and Precision Physics Research, Institute for Basic Science (IBS), Daejeon, Yuseong-gu, Republic of Korea
7. Fondazione Bruno Kessler, Trento, Povo, Italy
8. INFN - Laboratori Nazionali di Frascati, Rome, Frascati, Italy
9. University of Sannio, Department of Science and Technology, Benevento, BN, Italy
10. University of Palermo, Department of Engineering, Palermo, PA, Italy
11. INFN - Napoli, Salerno group, Salerno, Fisciano, Italy
12. University of Trento, Department of Physics, Trento, Povo, Italy