F. Pinna (1, 2), J. Falcón-Barroso (1, 2), M. Martig (3), L. Coccato (4), E. M. Corsini (5, 6), P.T. de Zeeuw (7, 8), D.A. Gadotti (4), E. Iodice (9), R. Leaman (10), M. Lyubenova (4), I. Martín-Navarro (11, 10), L. Morelli (12, 6), M. Sarzi (13), G. van de Ven (14, 4), S. Viaene (15, 16), R.M. McDermid (17, 18) ((1) Instituto de Astrofísica de Canarias, (2) Depto. Astrofísica, Universidad de La Laguna, (3) Astrophysics Research Institute, Liverpool John Moores University, (4) European Southern Observatory, (5) Dipartimento di Fisica e Astronomia 'G. Galilei', Università di Padova, (6) INAF-Osservatorio Astronomico di Padova, (7) Sterrewacht Leiden, Leiden University, (8) Max-Planck-Institut fuer extraterrestrische Physik, (9) INAF-Osservatorio Astronomico di Capodimonte, (10) Max-Planck Institut fuer Astronomie, (11) University of California Observatories, (12) Instituto de Astronomía y Ciencias Planetarias, Universidad de Atacama, (13) Armagh Observatory, Planetarium, (14) Department of Astrophysics, University of Vienna, (15) Sterrenkundig Observatorium, Universiteit Gent, (16) Centre for Astrophysics Research, University of Hertfordshire, (17) Department of Physics, Astronomy, Macquarie University, (18) Australian Astronomical Observatory)