1. Center for Space Science, New York University, Abu Dhabi (NYUAD), UAE.
2. Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany.
3. Institut für Astrophysik, Georg-August-Universität Göttingen, 37077 Göttingen, Germany.
4. National Astronomical Observatory of Japan, Mitaka, Tokyo 181-8588, Japan.
5. Department of Astronomy, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan.
6. Department of Physics, Graduate School of Science, Chiba University, Chiba 263-8522, Japan.
7. Tata Institute of Fundamental Research, Mumbai 400005, India.
8. Department of Physics, Department of Mechanical and Aerospace Engineering, Courant Institute for Mathematical Sciences, New York University, NY 10012, USA.
9. Stellar Astrophysics Centre, Department of Physics and Astronomy, Aarhus University, Aarhus, Denmark.