1. Stellar Astrophysics Centre, Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark
2. Institut für Astrophysik, Georg-August-Universität Göttingen, Friedrich-Hund-Platz 1, D-37077 Göttingen, Germany
3. Max-Planck-Institut für Sonnensystemforschung, Justus-von-Liebig-Weg 3, D-37077 Göttingen, Germany
4. Oxford Astrophysics, University of Oxford, Denys Wilkinson Building, Keble Rd, Oxford OX1 3RH, UK
5. Instituut voor Sterrenkunde, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
6. Department of Astrophysics, IMAPP, Radboud University Nijmegen, PO Box 9010, NL-6500 GL Nijmegen, the Netherlands
7. Center for High Angular Resolution Astronomy and Department of Physics and Astronomy, Georgia State University, PO Box 5060, Atlanta, GA 30302-410, USA
8. Institute for Astronomy, University of Hawai‘i, 2680 Woodlawn Drive, Honolulu, HI 96822, USA
9. Sydney Institute for Astronomy (SIfA), School of Physics, University of Sydney, NSW 2006, Australia
10. SETI Institute, 189 Bernardo Avenue, Mountain View, CA 94043, USA
11. The CHARA Array of Georgia State University, Mount Wilson Observatory, Mount Wilson, CA 91023, USA
12. NASA Ames Research Center, Moffett Field, CA 94035, USA
13. Bay Area Environmental Research Inst., 560 Third St., West Sonoma, CA 95476, USA
14. Laboratoire AIM, CEA/DRF - CNRS - Univ. Paris Diderot - IRFU/SAp, Centre de Saclay, F-91191 Gif-sur-Yvette Cedex, France
15. Research School of Astronomy & Astrophysics, Australian National University, Canberra, ACT 2611, Australia
16. Center for Space Science, NYUAD Institute, New York University Abu Dhabi, PO Box 129188, Abu Dhabi, UAE