Marcella Carollo ETH Zurich N. M. Forster Schreiber Max Planck Institute for Extraterrestrial Physics Reinhard Genzel Max Planck Institute for Extraterrestrial Physics Simon J. Lilly ETH Zurich Chiara Mancini INAF IASF-Milano Masato Onodera National Astronomical Obs of Japan (NAOJ), Subaru Telescope Alvio Renzini INAF - Osservatorio Astronomico di Padova Sandro Tacchella University of Cambridge Linda Tacconi Max Planck Institute for Extraterrestrial Physics Stijn Wuyts University of Bath