1. Department of Astronomy, Columbia University, 550 West 120th Street, New York, NY 10027, USA
2. Center for Computational Astrophysics, Flatiron Institute, 162 Fifth Avenue, New York, NY 10010, USA
3. TAPIR 350-17, California Institute of Technology, 1200 E. California Boulevard, Pasadena, CA 91125, USA
4. Department of Physics, University of Connecticut, 196 Auditorium Road, U-3046, Storrs, CT 06269-3046, USA
5. Department of Physics & Astronomy and CIERA, Northwestern University, 1800 Sherman Ave, Evanston, IL 60201, USA
6. School of Physics & Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
7. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
8. Institute for Computational Cosmology, Durham University, South Road, Durham DH1 3LE, UK
9. Department of Physics and Center for Astrophysics and Space Science, University of California at San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
10. Department of Physics and Astronomy, Rutgers, The State University of New Jersey, 136 Frelinghuysen Rd, Piscataway, NJ 08854, USA
11. Institute for Computational Science, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland