1. Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Str 1, D-85741 Garching, Germany
2. Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany
3. Center for Computational Astrophysics, Flatiron Institute, 162 Fifth Avenue, New York, NY 10010, USA
4. Columbia Astrophysics Laboratory, Columbia University, 550 West 120th Street, New York, NY 10027, USA
5. Heidelberg Institute for Theoretical Studies, Schloss-Wolfsbrunnenweg 35, D-69118 Heidelberg, Germany
6. Zentrum für Astronomie der Universität Heidelberg, ARI, Mönchhofstr 12-14, D-69120 Heidelberg, Germany
7. Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
8. Department of Physics, Kavli Institute for Astrophysics and Space Research, MIT, Cambridge, MA 02139, USA