Author affiliations
1 Département de Physique Théorique and Center for Astroparticle Physics, Université de Genève, 24 quai Ansermet, CH–1211 Genève 4, Switzerland
2 Department of Physics, Utrecht University, Princetonplein 1, 3584 CC Utrecht, The Netherlands
3 Dipartimento di Fisica e Astronomia Galileo Galilei, Università di Padova, 35131 Padova, Italy
4 INFN, Sezione di Padova, via Marzolo 8, I-35131, Padova, Italy
5 INAF, Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy
6 Artemis, Université Côte d'Azur, Observatoire Côte d'Azur, CNRS, CS 34229, F-06304 Nice Cedex 4, France
7 Gran Sasso Science Institute (GSSI), I-67100 L'Aquila, Italy
8 INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
9 Cosmology, Universe and Relativity at Louvain (CURL), Institut de Recherche en Mathematique et Physique (IRMP), Louvain University, 2 Chemin du Cyclotron, 1348 Louvain-la-Neuve, Belgium
10 Namur Institute of Complex Systems (naXys), Department of Mathematics, University of Namur, Rempart de la Vierge 8, 5000 Namur, Belgium
11 Instituto de Física Teórica UAM-CSIC, Universidad Autonóma de Madrid, Cantoblanco, 28049 Madrid, Spain
12 Delta Institute for Theoretical Physics, Science Park 904, 1090 GL Amsterdam, The Netherlands
13 INFN, Sezione di Roma, I-00185 Roma, Italy
14 Theoretical Particle Physics and Cosmology Group, Physics Department, King's College London, University of London, Strand, London WC2R 2LS, United Kingdom
15 Nikhef, National Institute for Subatomic Physics, Science Park 105, 1098 XG Amsterdam, The Netherlands
16 GRAPPA, Anton Pannekoek Institute for Astronomy and Institute of High-Energy Physics, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
