1. Minnesota Institute for Astrophysics, University of Minnesota, Minneapolis, MN 55455, USA.
2. Cosmic Dawn Center, Niels Bohr Institute, University of Copenhagen, DK-2200 Copenhagen, Denmark.
3. Physics Department, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel.
4. Department of Physics and Astronomy, University of California, Los Angeles, CA 90095, USA.
5. Space Telescope Science Institute, Baltimore, MD 21218, USA.
6. Center for Frontier Science, Chiba University, Chiba 263-8522, Japan.
7. Department of Physics, Chiba University, Chiba 263-8522, Japan.
8. Instituto de Física de Cantabria, Universidad de Cantabria, Consejo Superior de Investigaciones Científicas, 39005 Santander, Spain.
9. Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Trieste, 34124 Trieste, Italy.
10. Dark Cosmology Center, Niels Bohr Institute, University of Copenhagen, DK-2200 Copenhagen, Denmark.
11. Donostia International Physics Center, Ikerbasque Foundation, University of the Basque Country, 20018 Donostia, Spain.
12. Instituto de Astrofisica de Canarias, E-38205 La Laguna, Tenerife, Spain.
13. Departamento de Astrofísica, Universidad de La Laguna, 38206 La Laguna, Tenerife, Spain.
14. Department of Astronomy and Astrophysics, University of California Observatories/Lick Observatory, University of California, Santa Cruz, CA 95064, USA.
15. Department of Physics and Astronomy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA.
16. Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA.
17. Kavli Institute for the Physics and Mathematics of the Universe, The University of Tokyo, Kashiwa 277-8583, Japan.