1. Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia
2. Sydney Institute for Astronomy, School of Physics, A28, The University of Sydney, NSW 2006, Australia
3. INAF, Osservatorio Astronomico di Padova, Sede di Asiago, I-36012 Asiago (VI), Italy
4. School of Physics, UNSW, Sydney, NSW 2052, Australia
5. ARC Centre of Excellence for All-Sky Astrophysics in Three Dimensions (ASTRO 3D), Australia
6. Research School of Astronomy & Astrophysics, Australian National University, ACT 2611, Australia
7. Max Planck Institute for Astronomy (MPIA), Koenigstuhl 17, D-69117 Heidelberg, Germany
8. AAO-MQ, Macquarie University, Sydney, NSW 2109, Australia
9. Department of Astronomy, University of Virginia, Charlottesville, VA 22904-4325, USA
10. INAF, Astrophysical Observatory of Turin, I-10025, Pino Torinese, Italy
11. University of Southern Queensland, Toowoomba, QLD 4350, Australia
12. Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD 21218, USA
13. Stellar Astrophysics Centre, Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark
14. Institute for Advanced Study, Princeton, NJ 08540, USA
15. Observatories of the Carnegie Institution of Washington, 813 Santa Barbara Street, Pasadena, CA 91101, USA
16. Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544, USA
17. Lund Observatory, Department of Astronomy and Theoretical Physics, Box 43, SE-221 00 Lund, Sweden