1. Eötvös University, Institute of Physics, Budapest
2. INAF—Astrophysical and Space Science Observatory (OAS), Bologna
3. MTA-Eötvös University Lendület Hot Universe Research Group, Budapest
4. Konkoly Observatory of the Hungarian Academy of Sciences, Budapest
5. Hiroshima University, Hiroshima Astrophysical Science Center, Higashi-Hiroshima
6. C3S Electronics Development LLC, Budapest
7. Hiroshima University, School of Science, Higashi-Hiroshima
8. Nagoya University, Department of Physics, Nagoya, Aichi
9. Kyoto University, The Hakubi Center for Advanced Research and Department of Astronomy, Kyoto
10. University of Tokyo, Department of Physics, Bunkyo, Tokyo
11. Rikkyo University, Department of Physics, Nishi Ikebukuro, Toshimaku, Tokyo