1. Instituut voor Sterrenkunde, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
2. Department of Astrophysics/IMAPP, Radboud University Nijmegen, NL-6500 GL Nijmegen, the Netherlands
3. Instituto de Astrofísica de Canarias, E-38200, La Laguna, Tenerife, Spain
4. Departamento de Astrofísica, Universidad de La Laguna, E-38205, La Laguna, Tenerife, Spain
5. LESIA, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Univ. Paris 06, Univ. Paris Diderot, Sorbonne Paris Cité, France
6. Royal Observatory of Belgium, Ringlaan 3, B-1180 Brussels, Belgium
7. Oxford Astrophysics, University of Oxford, Denys Wilkinson Building, Keble Rd, Oxford, OX1 3RH, UK
8. Astronomy Department, University of Michigan, 311 West Hall, 1085 S. University Ave., Ann Arbor, MI 48109-1107, USA
9. Institute for Astronomy, University of Hawaii, 2680 Woodlawn Drive, Honolulu, HI 96822, USA
10. Sydney Institute for Astronomy (SIfA), School of Physics, University of Sydney, NSW 2006, Australia
11. SETI Institute, 189 Bernardo Avenue, Mountain View, CA 94043, USA
12. Stellar Astrophysics Centre, Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark