1. University Lyon 1 , IUF, IP2I Lyon, F-69622 Villeurbanne cedex, France
2. School of Mathematics and Physics, The University of Queensland , Brisbane, QLD 4072, Australia
3. Centre for Astrophysics, Supercomputing, Swinburne University , Hawthorn, VIC 3122, Australia
4. Astronomy Department, University of Cape Town , Private Bag X3, Rondebosch, 7701, South Africa
5. IRFU , CEA Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
6. International Centre for Radio Astronomy Research (ICRAR), The University of Western Australia , M468, Crawley, WA 6009, Australia
7. ARC Centre of Excellence for Astrophysics in 3 Dimensions (ASTRO 3D) , Stromlo, ACT 2611, Australia
8. Korea Institute for Advanced Study , 85, Hoegi-ro, Dongdaemun-gu, Seoul 02455, Republic of Korea
9. National Astronomical Observatories, Chinese Academy of Sciences , 20A Datun Road, Chaoyang District, Beijing 100012, China
10. Department of Physics, Engineering Physics and Astronomy Queen’s University Kingston , ON K7L 3N6, Canada
11. INAF - Osservatorio Astronomico di Cagliari , Via della Scienza 5, I-09047 Selargius, CA, Italy
12. Australia Telescope National Facility, CSIRO Astronomy and Space Science , PO Box 76, NSW 1710, Epping, Australia
13. Western Sydney University , Locked Bag 1797, Penrith, NSW 2751, Australia
14. CSIRO Space , Astronomy, PO Box 1130, Bentley, WA 6102, Australia
15. Royal Military College of Canada , PO Box 17000, Station Forces, Kingston, Ontario, K7K7B4, Canada
16. Kavli Institute for Astronomy and Astrophysics, Peking University , Beijing 100871, China
17. Argelander-Institut für Astronomie, Universität Bonn , Auf dem Hügel 71, D-53121 Bonn, Germany
18. Aix Marseille University , CNRS, CNES, LAM, F-13013 Marseille, France
19. Research School of Astronomy and Astrophysics, Australian National University , Canberra, ACT 2611, Australia
20. Department of Physics and Astronomy, University of Louisville , 102 Natural Science Building, 40292 KY Louisville, USA
21. Special Astrophysical Observatory, Russian Academy of Sciences , Nizhnij Arkhyz, 369167, Russia
22. Department of Physics and Astronomy, Rutgers University , 136 Frelinghuysen Road, Piscataway, NJ 08854, USA