1. Instituto de Astrofísica e Ciências do Espaço, Universidade do Porto, CAUP, Rua das Estrelas, PT4150-762 Porto, Portugal
2. Stellar Astrophysics Centre, Aarhus University, Ny Munkegade 120, DK-8000, Aarhus, Denmark
3. Jeremiah Horrocks Institute, University of Central Lancashire, Preston PR1 2HE, UK
4. South African Astronomical Observatory, P.O. Box 9, Observatory, Cape Town, South Africa
5. Konkoly Observatory, MTA CSFK, H-1121, Konkoly Thege Miklós út 15-17, Budapest, Hungary
6. MTA CSFK Lendület Near-Field Cosmology Research Group, Budapest, Hungary
7. Institute of Astronomy, KU Leuven, Celestijnenlaan 200D, 3001 Leuven, Belgium
8. Center for Exoplanets and Habitable Worlds, 525 Davey Laboratory, The Pennsylvania State University, University Park, PA 16802, USA
9. Copernicus Astronomical Center, Polish Academy of Sciences, Bartycka 18, 00-716 Warsaw, Poland
10. Astronomical Institute of University of Wrocław, ul. Kopernika 11, 51-622 Wrocław, Poland
11. Instituto de Astrofísica de Andalucía (CSIC), Glorieta de la Astronomía s/n, E-18008 Granada, Spain
12. Department of Theoretical Physics and Astrophysics, Masaryk University, Kotlářská 2, 61137 Brno, Czech Republic
13. Astronomical Institute, Czech Academy of Sciences, Fričova 298, 25165, Ondřejov, Czech Republic
14. Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK
15. Department of Physics and Astronomy, Uppsala University, Box 516, SE-75120 Uppsala, Sweden
16. Department of Physics, Lehigh University, 16 Memorial Drive East, Bethlehem, PA 18015, USA
17. School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85281, USA
18. Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
19. Earth and Planetary Sciences, MIT, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
20. Department of Chemistry and Physics, Florida Gulf Coast University, 10501 FGCU Blvd. S., Fort Myers, FL 33965, USA
21. Instituto de Astronomía–Universidad Nacional Autónoma de México, Ap. P. 877, Ensenada, BC 22860, Mexico
22. Department of Physics, University of Zanjan, Zanjan, Iran
23. Departamento de Física e Astronomina, Faculdade de Ciências da Universidade do Porto, Portugal
24. Institute of Astronomy and NAO, Bulgarian Academy of Sciences, blvd. Tsarigradsko chaussee 72, Sofia 1784, Bulgaria
25. Royal Observatory of Belgium, Ringlaan 3, B-1180 Brussels, Belgium
26. Dept. Física Teórica y del Cosmos, Universidad de Granada, Campus de Fuentenueva s/n, E-18071, Granada, Spain
27. Department of Physics, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran
28. Sydney Institute for Astronomy, School of Physics, University of Sydney 2006, Sydney, New South Wales, Australia
29. Department of Physics & Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
30. Department of Physics & Astronomy, Camosun College, Victoria, British Columbia, Canada
31. Department of Astrophysics, University of Vienna, Tuerkenschanzstarsse 17, A-1180 Vienna, Austria