1. Cavendish Astrophysics, University of Cambridge, Cambridge, UK
2. Kavli Institute for Cosmology in Cambridge, University of Cambridge, Cambridge, UK
3. Department of Electrical and Electronic Engineering, Stellenbosch University, Stellenbosch, South Africa
4. Ericsson AB, Torshamnsgatan 21, 164 40 Kista, Sweden
5. INAF — Istituto di Radio Astronomia, via Gobetti 101, 40129 Bologna, Italy
6. Department of Physics and Electronics, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa
7. South African Radio Astronomy Observatory, Black River Park, 2 Fir Street, Observatory, Cape Town 7925, South Africa
8. Antenna Group, Université Catholique de Louvain, Ottignies-Louvain-la-Neuve, Belgium
9. Physics Department, University of Oxford, Oxford, UK
10. Institute of Astronomy, University of Cambridge, Cambridge, UK
11. Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai 400005, India
12. Institute of Space Sciences and Astronomy, University of Malta, Msida, Malta
13. Faculty of Science and Engineering, University of Groningen, Groningen, The Netherlands
14. Department of Physics, Imperial College London, London, UK
15. Leibniz Institute for Astrophysics, Potsdam, Germany
16. McGill Space Institute, McGill University, Montréal, Canada
17. Department of Physics, McGill University, Montréal, Canada
18. INAF — Osservatorio Astronomico di Trieste, Via G.B. Tiepolo 11, I-34143 Trieste, Italy
19. IFPU — Institute for Fundamental Physics of the Universe, Via Beirut 2, 34014 Trieste, Italy
20. Department of Physics and Astronomy, University of the Western Cape, Robert Sobukwe Road, Bellville 7535, South Africa