Institution: | Institute for Theoretical Physics, University of Zurich, CH-8057 Zurich, Switzerland;Max-Planck-Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg, Germany;Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St George Street, Toronto, ON, Canada M5S 3H8;Stockholm Observatory, AlbaNova University Centre, Stockholm University, SE-106 91 Stockholm, Sweden |