1. Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, D-14482 Potsdam, Germany
2. Université de Strasbourg, CNRS, Observatoire astronomique de Strasbourg, UMR 7550, F-67000 Strasbourg, France
3. Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany
4. Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
5. Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia
6. Instituto de Astrofísica de Canarias, Vía Láctea, E-38205 La Laguna, Tenerife, Spain
7. Universidad de La Laguna, Departamento de Astrofísica, E-38206 La Laguna, Tenerife, Spain
8. Université Côte d’Azur, Observatoire de la Côte d’Azur, CNRS, Laboratoire Lagrange, Blvd de l’Observatoire, F-06304 Nice, France
9. Department of Physics and Astronomy, University of Victoria, Victoria, BC V8W 3P2, Canada
10. Department of Astronomy and Astrophysics, University of Toronto, Toronto, ON M5S 3H4, Canada
11. Institute of Astronomy of the Russian Academy of Sciences, Pyatnitskaya st. 48, 119017 Moscow, Russia
12. UK Astronomy Technology Centre, Royal Observatory Edinburgh, Blackford Hill, Edinburgh EH9 3HJ, UK
13. NRC Herzberg Astronomy and Astrophysics, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada
14. Sydney Institute for Astronomy, School of Physics, A28, The University of Sydney, NSW 2006, Australia
15. School of Physics, UNSW, Sydney, NSW 2052, Australia
16. Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
17. Departamento de Astronomía, Universidad de Concepción, Casilla 160-C, Concepción, Chile
18. Instituto de Investigación Multidisciplinario en Ciencia y Tecnología, Universidad de La Serena, Avenida Raúl Bitrán S/N, La Serena, Chile
19. Departamento de Astronomía, Facultad de Ciencias, Universidad de La Serena, Av. Juan Cisternas 1200, La Serena, Chile