1. Laboratoire de Physique et Chimie de l’Environnement et de l’Espace LPC2E UMR7328, CNRS, Université d’Orléans, F-45071 Orléans, France
2. Station de Radioastronomie de Nançay, Observatoire de Paris, PSL University, CNRS, Université d’Orléans, F-18330 Nançay, France
3. Kavli Institute for Astronomy and Astrophysics, Peking University, Beijing 100871, P. R. China
4. Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany
5. CNRS, Astroparticule et Cosmologie, Université de Paris, F-75013 Paris, France
6. Dipartimento di Fisica ‘G. Occhialini’, Università degli Studi di Milano-Bicocca, Piazza della Scienza 3, I-20126 Milano, Italy
7. INFN, Sezione di Milano-Bicocca, Piazza della Scienza 3, I-20126 Milano, Italy
8. National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, P. R. China
9. Moscow Institute of Physics and Technology, Dolgoprudny, Moscow 141700, Russia
10. LESIA, Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, Université de Paris, 5 place Jules Janssen, F-92195 Meudon, France
11. ASTRON, Netherlands Institute for Radio Astronomy, Oude Hoogeveensedijk 4, NL-7991 PD Dwingeloo, the Netherlands
12. Department of Astrophysics/IMAPP, Radboud University Nijmegen, P.O. Box 9010, NL-6500 GL Nijmegen, the Netherlands
13. Institute of Astrophysics, FORTH, N. Plastira 100, 70013 Heraklion, Greece
14. Argelander Institut für Astronomie, Auf dem Hügel 71, D-53117 Bonn, Germany
15. Fakultät für Physik, Universität Bielefeld, Postfach 100131, D-33501 Bielefeld, Germany
16. INAF – Osservatorio Astronomico di Cagliari, via della Scienza 5, I-09047 Selargius, CA, Italy
17. School of Physics, Faculty of Science, University of East Anglia, Norwich NR4 7TJ, UK
18. Max-Planck-Institut für Gravitationsphysik (Albert Einstein Institut), Am Mühlenberg 1, D-14476 Golm, Germany
19. Jodrell Bank Centre for Astrophysics, Department of Physics and Astronomy, University of Manchester, Manchester M13 9PL, UK
20. Laboratory of Gravitational Waves and Cosmology, Advanced Institute of Natural Sciences, Beijing Normal University at Zhuhai, Zhuhai 519087, P. R. China
21. Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St. George Street, Toronto, ON M5S 3H8, Canada
22. Arecibo Observatory, HC3 Box 53995, Arecibo, PR 00612, USA
23. Dipartimento di Fisica, Università di Cagliari, S.P. Monserrato-Sestu Km 0, 700, I-09042 Monserrato, CA, Italy
24. Laboratoire Univers et Théories LUTh, Observatoire de Paris, Université PSL, CNRS, Université de Paris, F-92190 Meudon, France
25. Institute for Gravitational Wave Astronomy and School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
26. Department of Astronomy, Peking University, Beijing 100871, P. R. China