1. Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia
2. Lund Observatory, Department of Astronomy and Theoretical Physics, Box 43, SE-221 00 Lund, Sweden
3. ARC Centre of Excellence for All Sky Astrophysics in Three Dimensions (ASTRO-3D), Canberra, ACT 2611, Australia
4. Sydney Institute for Astronomy, School of Physics, The University of Sydney, Sydney, NSW 2006, Australia
5. Research School of Astronomy and Astrophysics, The Australian National University, Canberra, ACT 2611, Australia
6. Max Planck Institute for Astronomy (MPIA), Koenigstuhl 17, 69117 Heidelberg, Germany
7. School of Physics, University of New South Wales, Sydney, NSW 2052, Australia
8. Centre for Astrophysics, University of Southern Queensland, Toowoomba, QLD 4350, Australia
9. Institute for Advanced Study, Princeton, NJ 08540, USA
10. Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544, USA
11. Observatories of the Carnegie Institution of Washington, 813 Santa Barbara Street, Pasadena, CA 91101, USA