1. Sterrenkundig Observatorium, Universiteit Gent, Krijgslaan 281 S9, B-9000 Gent, Belgium
2. Research School of Astronomy and Astrophysics, Australian National University, Canberra, ACT 2611, Australia
3. ARC Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO 3D), Australia
4. Sydney Institute for Astronomy, School of Physics, The University of Sydney, Sydney, NSW 2006, Australia
5. Sub-department of Astrophysics, Department of Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK
6. School of Mathematics and Physics, University of Queensland, Brisbane, QLD 4072, Australia
7. International Centre for Radio Astronomy Research (ICRAR), University of Western Australia, Crawley, WA 6009, Australia
8. Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia
9. Astronomy, Astrophysics and Astrophotonics Research Centre, Macquarie University, Sydney, NSW 2109, Australia
10. School of Physics, University of New South Wales, Sydney, NSW 2052, Australia
11. Australian Astronomical Optics, Macquarie University, Sydney, NSW 2109, Australia
12. SOFIA Science Center, USRA, NASA Ames Research Center, Building N232, M/S 232-12, P.O. Box 1, Moffett Field, CA 94035-0001, USA