1. UCO/Lick Observatory, Department of Astronomy and Astrophysics, University of California, Santa Cruz, CA 95064, USA
2. Center for Computational Astrophysics, Flatiron Institute, New York, NY 10011, USA
3. Department of Physics, University of Connecticut, 196 Auditorium Road, U-3046, Storrs, CT 06269, USA
4. Department of Astronomy, Columbia University, 550 West 120th Street, New York, NY 10027, USA
5. Department of Physics & Astronomy and CIERA, Northwestern University, 1800 Sherman Ave, Evanston, IL 60201, USA
6. Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544, USA
7. Institute for Computational Science, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
8. Department of Physics and Astronomy, University of California, Irvine, CA 92697, USA
9. TAPIR, Mailcode 350-17, California Institute of Technology, Pasadena, CA 91125, USA
10. Department of Physics, Center for Astrophysics and Space Sciences, University of California at San Diego, La Jolla, CA 92093, USA
11. Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St George Street, Toronto, ON M5S 3H8, Canada
12. Department of Physics and Astronomy, University of California, Davis, CA 95616, USA