1. Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena CA 91109, USA
2. UCLA Physics & Astronomy, 475 Portola Plaza, Los Angeles, CA 90095-1547, USA
3. The Cosmic Dawn Center, Niels Bohr Institute, Rockefeller Komplesket, Juliane Ma, DK-2100 København, Denmark
4. DARK, Niels-Bohr Institute, Lyngbyvej 2, DK-2100 Copenhagen, Denmark
5. Departamento de Ciencias Fisicas, Universidad Andres Bello, Fernandez Concha 700, 7591538 Las Condes, Santiago, Chile
6. Millennium Institute of Astrophysics, Monseñor Nuncio Sotero Sanz 100, 7500011 Providencia, Santiago, Chile
7. Department of Physics, UC Davis, 1 Shields Ave., Davis CA 95616, USA
8. Instituto de Física y Astronomía, Universidad de Valparaíso, Avda. Gran Bretaña 1111, Valparaíso, Chile
9. Center for Cosmology and AstroParticle Physics, 191 West Woodruff Avenue, The Ohio State University, Columbus OH 43204, USA
10. Department of Physics, The Ohio State University, 191 West Woodruff Avenue, Columbus OH 43204, USA
11. Department of Astronomy, The Ohio State University, USA, 4055 McPherson Laboratory, 140 West 18th Avenue, Columbus OH
12. STAR Institute, Quartier Agora - Allé du six Août, 19c B-4000 Liège, Belgium