1. DiRAC Institute, Department of Astronomy, University of Washington , Box 351580, U.W., Seattle, WA 98195, USA
2. Department of Physics, Florida State University , 77 Chieftan Way, Tallahassee, FL 32306, USA
3. Steward Observatory, University of Arizona , 933 North Cherry Avenue, Tucson, AZ 85721-0065, USA
4. Department of Physics and Astronomy, Rutgers, the State University of New Jersey , 136 Frelinghuysen Road, Piscataway, NJ 08854, USA
5. Institute of Space Sciences (ICE , CSIC), Campus UAB, Carrer de Can Magrans, s/n, E-08193 Barcelona, Spain
6. Konkoly Observatory, ELKH Research Center for Astronomy and Earth Sciences , Konkoly Thege M. ut 15-17, Budapest 1121 Hungary
7. Department of Optics and Quantum Electronics, University of Szeged , Dom ter 9, Szeged 6720 Hungary
8. Institute of Physics, ELTE Eötvös Loránd University , Pázmany Péter sétány 1/A, Budapest 1117, Hungary
9. Department of Astronomy, University of Texas at Austin , 2515 Speedway, Stop C1400 Austin, TX 78712-1205, USA
10. Department of Physics and Astronomy, University of California , 1 Shields Avenue, Davis, CA 95616-5270, USA
11. Las Cumbres Observatory , 6740 Cortona Drive, Suite 102, Goleta, CA 93117-5575, USA
12. Department of Physics, University of California , Santa Barbara, CA 93106-9530, USA
13. Center for Astrophysics, Harvard & Smithsonian , 60 Garden Street, Cambridge, MA 02138, USA
14. The NSF AI Institute for Artificial Intelligence and Fundamental Interactions , Massachusetts Institute of Technology, Laboratory for Nuclear Science, 77 Massachusetts Avenue, 02139-4307 Cambridge, MA
15. Physics Department & Tsinghua Center for Astrophysics, Tsinghua University , Beijing 100084, China
16. Beijing Planetarium, Beijing Academy of Science and Technology , Beijing 100044, China
17. The School of Physics and Astronomy, Tel Aviv University , Tel Aviv 69978, Israel