1. European Space Astronomy Centre, European Space Agency, Villanueva de la Cañada, 28692 Madrid, Spain
2. Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
3. High Energy Physics Group, Physics Department, Imperial College London, Blackett Laboratory, Prince Consort Road, London, SW7 2BW, UK
4. APC, Univ Paris Diderot, CNRS/IN2P3, CEA/lrfu, Obs de Paris, Sorbonne Paris Cité, France
5. Department of Industrial Engineering, University of Trento, via Sommarive 9, 38123 Trento, Italy
6. Trento Institute for Fundamental Physics and Application / INFN, Italy
7. Dipartimento di Fisica, Università di Trento, Italy
8. Trento Institute for Fundamental Physics and Application / INFN, 38123 Povo, Trento, Italy
9. DISPEA, Università di Urbino “Carlo Bo”, Via S. Chiara, 27 61029 Urbino/INFN, Italy
10. The School of Physics and Astronomy, University of Birmingham, Birmingham, UK
11. Institut für Geophysik, ETH Zürich, Sonneggstrasse 5, CH-8092, Zürich, Switzerland
12. The UK Astronomy Technology Centre, Royal Observatory, Edinburgh, Blackford Hill, Edinburgh, EH9 3HJ, UK
13. Institut de Ciències de l’Espai (CSIC-IEEC), Campus UAB, Carrer de Can Magrans s/n, 08193 Cerdanyola del Vallès, Spain
14. European Space Technology Centre, European Space Agency, Keplerlaan 1, 2200 AG Noordwijk, The Netherlands
15. European Space Operations Centre, European Space Agency, 64293 Darmstadt, Germany
16. Physik Institut, Universität Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
17. SUPA, Institute for Gravitational Research, School of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, UK
18. Department d’Enginyeria Electrònica, Universitat Politècnica de Catalunya, 08034 Barcelona, Spain
19. Gravitational Astrophysics Lab, NASA Goddard Space Flight Center, 8800 Greenbelt Road, Greenbelt, MD 20771, USA
20. Department of Physics, University of Florida, 2001 Museum Rd, Gainesville, FL 32603, USA