1. Center for Computational Astrophysics, Flatiron Institute, 162 Fifth Avenue, New York, NY 10010, USA
2. Harvard–Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
3. Astronomy Department, California Institute of Technology, 1200 E. California Boulevard, Pasadena, CA 91125, USA
4. Department of Physics and Atmospheric Science, Dalhousie University, 6310 Coburg Road, Halifax, NS B3H 4R2, Canada
5. Department of Astronomy and Physics, Institute for Computational Astrophysics, Saint Mary's University, 923 Robie Street, Halifax, NS B3H 3C3, Canada
6. Department of Astronomy, The University of Texas at Austin, 2515 Speedway Boulevard Stop C1400, Austin, TX 78712, USA
7. Centre for Astrophysics Research, University of Hertfordshire, College Lane, Hatfield, Hertfordshire AL10 9AB, UK
8. Physics Department, Ben-Gurion University of the Negev, PO Box 653, Be'er-Sheva 8410501, Israel
9. Physics and Astronomy, University of Leicester, 1 University Road, Leicester LE1 7RH, UK
10. H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK
11. European Southern Observatory, Karl Schwarzschild Straße 2, D-85748 Garching, Germany
12. Department of Physics, Virginia Tech, Blacksburg, VA 24061, USA
13. Instituto de Física y Astronomía, Universidad de Valparaíso, Avda. Gran Bretaña 1111, Valparaíso, Chile
14. Astronomical Observatory Institute, Faculty of Physics, Adam Mickiewicz University, ul. Słoneczna 36, PL-60-286 Poznań, Poland
15. Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC V6T 1Z1, Canada
16. Leiden Observatory, Leiden University, PO Box 9513, NL-2300 RA Leiden, the Netherlands