1. Laboratoire de Physique de l’École Normale Supérieure, ENS, Université PSL, CNRS, Sorbonne Université, Université de Paris , F-75005 Paris , France
2. University of California, San Diego, Department of Physics , San Diego, CA 92093-0424 , USA
3. IRAP, Université de Toulouse , (Toulouse), 9, avenue du Colonel Roche BP 44346 31028 Toulouse Cedex 4 , France
4. Institute of Theoretical Astrophysics, University of Oslo , Blindern 0315, OSLO , Norway
5. Department of Physics, University of Oxford, Denys Wilkinson Building , Keble Road, Oxford OX1 3RH , UK
6. Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), UTIAS, The University of Tokyo , Kashiwa, Chiba 277-8583 , Japan
7. International School for Advanced Studies (SISSA) , Via Bonomea 265, I-34136 Trieste , Italy
8. INFN Sezione di Trieste , Via Valerio 2, I-34127 Trieste , Italy
9. IFPU, Via Beirut , 2, I-34151 Grignano, Trieste , Italy
10. Instituto de Fisica de Cantabria (IFCA, CSIC-UC) , Avenida los Castros SN, E-39005 Santander , Spain
11. Dipartimento di Fisica e Astronomia “G. Galilei”, Universita‘ degli Studi di Padova , Via Marzolo 8, I-35131 Padova , Italy
12. INFN Sezione di Padova , Via Marzolo 8, I-35131 Padova , Italy
13. INAF, Osservatorio Astronomico di Padova , Vicolo dell’Osservatorio 5, I-35122 Padova , Italy
14. Stanford University, Department of Physics , CA 94305-4060 , USA
15. University of California , Berkeley, Department of Physics, Berkeley, CA 94720 , USA
16. Dipartimento di Fisica, Universita’ degli Studi di Milano , Via Celoria 16, I-20133 Milano , Italy
17. INFN Sezione di Milano, Via Celoria 16, I-20133 Milano, Italy
18. Université de Paris, CNRS, Astroparticule et Cosmologie , F-75013 Paris , France
19. School of Physics and Astronomy, Cardiff University , Cardiff CF24 3AA , UK
20. Max Planck Institute for Astrophysics, Karl-Schwarzschild-Str. 1 , D-85748 Garching , Germany
21. Dipartimento di Fisica, Università di Roma Tor Vergata, Via della Ricerca Scientifica 1, I-00133 Roma, Italy
22. INFN Sezione di Roma2, Università di Roma Tor Vergata, Via della Ricerca Scientifica 1, I-00133 Roma, Italy
23. Univ. Grenoble Alpes , CNRS, LPSC-IN2P3, 53 avenue des Martyrs, F-38000 Grenoble , France
24. David A. Dunlap Department of Astronomy and Astrophysics , 50 St George Street, Toronto, ON M5S 3H4 , Canada
25. University of California, Berkeley, Space Sciences Laboratory, Berkeley , CA 94720 , USA
26. Lawrence Berkeley National Laboratory (LBNL) , Computational Cosmology Center, Berkeley, CA 94720 , USA
27. University of Tokyo, School of Science, Research Center for the Early Universe , RESCEU, Tokyo 113-0033 , Japan
28. Kavli Institute for Particle Astrophysics and Cosmology (KIPAC), Stanford University , Stanford, CA 94305 , USA
29. Dipartimento di Fisica, Università La Sapienza , P.le A. Moro 2, I-00185 Roma , Italy
30. INFN Sezione di Roma , P.le A. Moro 2, I-00185 Roma , Italy
31. Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK) , Tsukuba, Ibaraki 305-0801 , Japan
32. Dpto. de Física Moderna, Universidad de Cantabria , Avda. los Castros s/n, E-39005 Santander , Spain
33. INFN Sezione Milano Bicocca , Piazza della Scienza 3, I-20126 Milano , Italy
34. McGill University, Physics Department, Montreal , QC H3A 0G4 , Canada
35. Japan Aerospace Exploration Agency (JAXA), Institute of Space and Astronautical Science (ISAS) , Sagamihara, Kanagawa 252-5210 , Japan
36. The Graduate University for Advanced Studies (SOKENDAI), Miura District , Kanagawa 240-0115, Hayama , Japan
37. Université Grenoble Alpes, CEA, IRIG-DSBT , F-38000 Grenoble , France
38. Lawrence Berkeley National Laboratory (LBNL), Physics Division , Berkeley, CA 94720 , USA
39. NASA Goddard Space Flight Center , Greenbelt, MD 20771 , USA
40. INAF - OAS Bologna, Via Piero Gobetti 93/3, I-40129 Bologna, Italy
41. INFN Sezione di Bologna , Viale C. Berti Pichat 6/2, I-40127 Bologna , Italy
42. INFN Sezione di Ferrara , Via Saragat 1, I-44122 Ferrara , Italy
43. University of Milano Bicocca , Physics Department, P.zza della Scienza 3, I-20126 Milan , Italy
44. Instituto de Astrofísica de Canarias , E-38200 La Laguna, Tenerife, Canary Islands , Spain
45. Departamento de Astrofísica, Universidad de La Laguna (ULL) , E-38206 La Laguna, Tenerife , Spain
46. Dipartimento di Fisica e Scienze della Terra, Università di Ferrara , Via Saragat 1, I-44122 Ferrara , Italy
47. Université Paris-Saclay, CNRS, Institut d’Astrophysique Spatiale , F-91405 Orsay , France
48. Universitäts-Sternwarte, Fakultät für Physik, Ludwig-Maximilians Universität München , Scheinerstr. 1, D-81679 München , Germany
49. The Oskar Klein Centre, Department of Physics, Stockholm University , SE-106 91 Stockholm , Sweden
50. Center for Astrophysics and Space Astronomy, University of Colorado , Boulder, CO 80309 , USA
51. International Center for Quantum-field Measurement Systems for Studies of the Universe and Particles (QUP), High Energy Accelerator Research Organization (KEK) , Tsukuba, Ibaraki 305-0801 , Japan
52. Université Paris-Saclay , CNRS/IN2P3, IJCLab, F-91405 Orsay , France
53. Department of Astrophysical Sciences, Peyton Hall , Princeton University, Princeton, NJ 08544 , USA
54. Department of Physics and Astronomy, University of British Columbia , 6224 Agricultural Road, Vancouver, BC V6T 1Z1 , Canada
55. Institut d’Astrophysique de Paris, CNRS/Sorbonne Université , 75014 Paris , France
56. Saitama University , Saitama 338-8570 , Japan
57. NIST Quantum Sensors Group, 325 Broadway, Boulder , CO 80305 , USA
58. Nagoya University, Kobayashi-Masukawa Institute for the Origin of Particle and the Universe , Aichi 464-8602 , Japan
59. ispace, inc. , Tokyo 103-0007 , Japan
60. National Astronomical Observatory of Japan , Mitaka, Tokyo 181-8588 , Japan
61. Okayama University, Department of Physics , Okayama 700-8530 , Japan
62. The Institute for Solid State Physics (ISSP), The University of Tokyo , Kashiwa, Chiba 277-8581 , Japan
63. The University of Tokyo, Institute for Photon Science and Technology , Tokyo 113-0033 , Japan
64. SLAC National Accelerator Laboratory, Kavli Institute for Particle Astrophysics and Cosmology (KIPAC) , Menlo Park, CA 94025 , USA
65. Space Science Data Center, Italian Space Agency , Via del Politecnico, I-00133 Roma , Italy
66. Centre National d’Etudes Spatiales (CNES) , 18 avenue Edouard Belin 31 401 TOULOUSE CEDEX 4 , France
67. INFN Sezione di Pisa , Largo Bruno Pontecorvo 3, I-56127 Pisa , Italy
68. Gran Sasso Science Institute (GSSI) , Viale F. Crispi 7, I-67100, L’Aquila , Italy
69. Research Center for Nuclear Physics, Osaka University , Ibaraki, Osaka 567-0047 , Japan
70. The University of Tokyo, Department of Astronomy , Tokyo 113-0033 , Japan
71. Jodrell Bank Centre for Astrophysics, Department of Physics and Astronomy, School of Natural Sciences, The University of Manchester , Oxford Road, Manchester M13 9PL , UK
72. INAF-Osservatorio Astronomico di Cagliari , Via della Scienza 5, I-09047 Selargius , Italy
73. Remeis-Observatory and Erlangen Centre for Astroparticle Physics, FAU Erlangen-Nürnberg , Sternwartstr. 7, D-96049 Bamberg , Germany
74. Japan Aerospace Exploration Agency (JAXA), Research and Development Directorate , Tsukuba, Ibaraki 305-8505 , Japan
75. School of General and Management Studies, Suwa University of Science , 5000-1 Toyohira, Chino, Nagano 391-0292 , Japan
76. CNRS-UCB International Research Laboratory, Centre Pierre Binétruy , UMI2007, Berkeley, CA 94720 , USA
77. The University of Tokyo, Department of Physics , Tokyo 113-0033 , Japan
78. Dipartimento di Fisica, Università di Pisa , Largo B. Pontecorvo 3, I-56127 Pisa , Italy
79. National Institute of Technology, Kagawa College , Kagawa 761-8058 , Japan
80. Physics and Astronomy Dept., University College London (UCL) , London
81. Mullard Space Science Laboratory, University College London , London