1. Astrophysics Research Institute , 146 Brownlow Hill, Liverpool L3 5RF, UK
2. School of Mathematics and Physics, The University of Queensland , St. Lucia, QLD 4072, Australia
3. Canadian Institute for Theoretical Astrophysics, University of Toronto , Toronto, ON M5S 3H8, Canada
4. Dunlap Institute for Astronomy and Astrophysics, University of Toronto , Toronto, ON M5S 3H4, Canada
5. Department of Astronomy and Center for Cosmology and AstroParticle Physics, Ohio State University , Columbus, OH 43210, USA
6. Space Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USA
7. Lund Observatory, Department of Astronomy and Theoretical Physics , Box 43, SE-221 00 Lund, Sweden
8. Department of Astronomy, University of Virginia , Charlottesville, VA 22904-4325, USA
9. Instituto de Astrofísica de Canarias (IAC) , E-38205 La Laguna, Tenerife, Spain
10. Universidad de La Laguna (ULL), Departamento de Astrofísica , E-38206 La Laguna, Tenerife, Spain
11. The Observatories of the Carnegie Institution for Science , Pasadena, CA 91101, USA
12. New Mexico State University , Las Cruces, NM 88003, USA
13. University of Arizona , Tucson, AZ 85719, USA
14. Observatório Nacional , São Cristóvão, Rio de Janeiro, Brazil
15. Departamento de Astronomía , Casilla 160-C, Universidad de Concepción, Chile
16. Instituto de Investigación Multidisciplinario en Ciencia y Tecnología , Universidad de La Serena. Avenida Raúl Bitrán S/N, La Serena, Chile
17. Departamento de Astronomía, Facultad de Ciencias, Universidad de La Serena , Av. Juan Cisternas 1200, La Serena, Chile
18. Materials Science and Applied Mathematics, Malmö University , SE-205 06 Malmö, Sweden
19. Centro de Investigación en Astronomía, Universidad Bernardo O’Higgins , Avenida Viel 1497, Santiago, Chile
20. Gothard Astrophysical Observatory , ELTE Eotvös Loránd University, 9700 Szombathely, Szent Imre H. st. 112, Hungary
21. MTA-ELTE Lendület ’Momentum’ Milky Way Research Group , Hungary
22. Departamento de Ciencias Fisicas, Facultad de Ciencias Exactas , Universidad Andres Bello, Av. Fernandez Concha 700, Santiago, Chile
23. Vatican Observatory , V00120 Vatican City State, Italy
24. Centro de Astronomía (CITEVA), Universidad de Antofagasta , Avenida Angamos 601, Antofagasta 1270300, Chile
25. University of Texas at Austin, McDonald Observatory , TX 79734-3005, USA
26. National Optical Astronomy Observatories , Tucson, AZ 85719, USA
27. Department of Physics and Astronomy, University of Utah , Salt Lake City, UT 84105, USA