1. Phillips Academy , Andover, MA 01810 , USA
2. Department of Physics, Kavli Institute for Astrophysics and Space Research, M.I.T. , Cambridge, MA 02139 , USA
3. Centre for Space Research, North-West University , Mahikeng 2745 , South Africa
4. Jeremiah Horrocks Institute, University of Central Lancashire , Preston PR1 2HE , UK
5. Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences , ul. Bartycka 18, PL-00-716 Warszawa , Poland
6. TAPIR , Mailcode 350-17, California Institute of Technology, Pasadena, CA 91125 , USA
7. Baja Astronomical Observatory of University of Szeged , Szegedi út, Kt. 766, H-6500 Baja , Hungary
8. HUN-REN–SZTE Stellar Astrophysics Research Group , Szegedi út, Kt. 766, H-6500 Baja , Hungary
9. Konkoly Observatory, HU-REN Research Centre for Astronomy and Earth Sciences , Konkoly Thege Miklós út 15-17, H-1121 Budapest , Hungary
10. Gothard Astrophysical Observatory, ELTE Eötvös Loránd University, , Szent Imre h. u. 112, H-9700 Szombathely , Hungary
11. HUN-REN-ELTE Exoplanet Research Group , Szent Imre h. u. 112, H-9700 Szombathely , Hungary