1. ELTE Eötvös Loránd University, Gothard Astrophysical Observatory, 9700 Szombathely, Szent Imre herceg u. 112., Hungary
2. Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences, H-1121 Budapest, Konkoly Thege Miklós út 15-17, Hungary
3. MTA-ELTE Exoplanet Research Group, H-9700 Szombathely, Szent Imre h. u. 112, Hungary
4. Sydney Institute for Astronomy, School of Physics, The University of Sydney, NSW 2006, Australia
5. Stellar Astrophysics Centre, Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark
6. Institute of Physics, Eötvös University, H-1117 Budapest, Hungary
7. MTA CSFK Lendület Near-Field Cosmology Research Group, 1121 Budapest, Konkoly Thege Miklós út 15-17, Hungary
8. Baja Astronomical Observatory of Szeged University, H-6500 Baja, Szegedi út, Kt. 766, Hungary
9. Department of Experimental Physics, University of Szeged, H-6720 Szeged, Dóm tér 9, Hungary
10. Thüringer Landessternwarte Tautenburg, Karl-Schwarzschild-Observatorium, D-07778 Tautenburg, Germany
11. Apache Point Observatory, Sunspot, NM 88349, USA
12. Astrophysics Group, Keele University Newcastle-under-Lyme, Keele ST5 5BG, UK
13. Department of Astrophysics/IMAPP, Radboud University Nijmegen, P.O. Box 9010, NL-6500 GL Nijmegen, the Netherlands
14. Department of Astronomy, University of California at Berkeley, Berkeley, CA 94720-3411, USA
15. Kavli Institute for Astrophysics and Space Research, M.I.T., Cambridge, MA 02139, USA
16. California Institute of Technology, 1200 E. California Boulevard, Pasadena, CA 91125, USA