1. School of Physics, University of New South Wales , NSW 2052 , Australia
2. Leiden Observatory, Leiden University , PO Box 9513, NL-2300 RA Leiden , the Netherlands
3. Institute of Physics, Laboratory of Astrophysics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Observatoire de Sauverny , CH-1290 Versoix , Switzerland
4. Institute for Computational Cosmology, Durham University , South Road, Durham DH1 3LE , UK
5. Anton Pannekoek Institute for Astronomy & GRAPPA, University of Amsterdam , Science Park 904, NL-1098 XH, Amsterdam , the Netherlands
6. Department of Astronomy, University of Florida , Gainesville, FL 32611 , USA
7. Instituto de Astrofísica de Andalucía–CSIC, Glorieta de la Astronomía s/n , E-18008 Granada , Spain
8. Observatório Nacional - MCTI (ON) , Rua Gal. José Cristino 77, São Cristóvão, 20921-400, Rio de Janeiro , Brazil
9. Universitäts-Sternwarte München , Scheinerstr 1, D-81679 München , Germany
10. Korea Astronomy and Space Science Institute , 776 Daedeokdae-ro, Yuseong-gu, Daejeon 34055 , Korea
11. Steward Observatory, University of Arizona , 933 N. Cherry Ave, Tucson, AZ 85719 , USA
12. Instituto de Astrofísica de Canarias , c/ Vía Láctea s/n, E-38205 - La Laguna, Tenerife , Spain
13. Departamento de Astrofísica, Universidad de La Laguna , E-38205 - La Laguna, Tenerife , Spain
14. Space Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218 , USA
15. Max-Planck-Institut für Astronomie , Königstuhl 17, D-69117 Heidelberg , Germany
16. INAF-Astronomical Observatory of Capodimonte , Salita Moiariello 16, I-80131 Naples , Italy
17. University of Naples ‘Federico II’ , Via Cinthia 21, Naples I-80126 , Italy
18. Astrophysics Research Institute, Liverpool John Moores University , IC2, Liverpool Science Park, 146 Brownlow Hill, Liverpool L3 5RF , UK
19. Department of Astronomy, Case Western Reserve University , 10900 Euclid Avenue, Cleveland, OH 44106 , USA