1. International Centre for Radio Astronomy Research, Curtin University, GPO Box U1987, Perth, WA 6845, Australia
2. Department of Physics, University of Nevada, Reno, NV 89557, USA
3. Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Mail Number H11, PO Box 218, Hawthorn, VIC 3122, Australia
4. SRON, Netherlands Institute for Space Research, Sorbonnelaan 2, NL-3584 CA Utrecht, the Netherlands
5. Department of Astrophysics/IMAPP, Radboud University Nijmegen, PO Box 9010, NL-6500 GL Nijmegen, the Netherlands
6. Department of Physics, Texas Tech University, Box 41051, Science Building, Lubbock, TX 79409-1051, USA
7. Department of Physics, University of Alberta, CCIS 4-183, Edmonton, AB T6G 2E1, Canada
8. School of Astronomy and Space Sciences, University of Chinese Academy of Sciences, 52 Sanlihe Rd., Beijing 100864, China
9. Sydney Institute for Astronomy, School of Physics A28, The University of Sydney, Sydney, NSW-2006, Australia
10. Physics and Astronomy, University of Southampton, Southampton, Hampshire SO17 1BJ, UK
11. INAF - Osservatorio Astronomico di Brera, Via E. Bianchi 46, I-23807 Merate, Italy
12. Astrophysics, Department of Physics, University of Oxford, Keble Road, Oxford OX1 3RH, UK
13. Department of Physics and Astronomy, Wheaton College, Norton, MA 02766, USA
14. Astronomical Institute ‘Anton Pannekoek’, University of Amsterdam, Science Park 904, NL-1098XH Amsterdam, the Netherlands
15. XMM–Newton Science Operations Centre, ESAC/ESA, Camino Bajo del Castillo s/n, Urb. Villafranca del Castillo, E-28691 Villanueva de la Cañada, Madrid, Spain
16. Institute of Cosmos Sciences, University of Barcelona, Martí i Franquès 1, E-08028 Barcelona, Spain
17. Center for Astro, Particle and Planetary Physics, New York University Abu Dhabi, PO Box 129188, Abu Dhabi, UAE
18. Department of Astronomy, University of Virginia, 530 McCormick Road, Charlottesville, VA 22904, USA
19. East Asian Observatory, 660 N. Aōhōku Place, University Park, Hilo, HI 96720, USA
20. Institute for Space Sciences, Atomistilor 409, PO Box MG-23, 077125 Bucharest-Magurele, Romania