1. MTA-Eötvös University Lendület Hot Universe Research Group, Pázmány Péter sétány 1/A, Budapest 1117, Hungary
2. MTA-ELTE Astrophysics Research Group, Pázmány Péter sétány 1/A, Budapest 1117, Hungary
3. Department of Theoretical Physics and Astrophysics, Faculty of Science, Masaryk University, Kotlářská 2, Brno 611 37, Czech Republic
4. School of Science, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8526, Japan
5. Department of Physics, University of Alabama in Huntsville, Huntsville, AL 35899, USA
6. Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, CA 94305-4085, USA
7. Department of Astrophysical Sciences, Princeton University, 4 Ivy Lane, Princeton, NJ 08544-1001, USA
8. The Observatories of the Carnegie Institution for Science, 813 Santa Barbara Street, Pasadena, CA 91101, USA
9. Physics & Astronomy Department, Michigan State University, East Lansing, MI 48824-2320, USA
10. Department of Astronomy, University of Virginia, 530 McCormick Rd., Charlottesville, VA 22904, USA