1. Department of Physics and Astronomy, University College London , Gower Street, London WC1E 6BT, UK
2. Centre for Astronomy, Department of Physics, National University of Ireland Galway , University Road, Galway H91 TK33, Ireland
3. Institute of Astronomy and Department of Physics, National Tsing Hua University , No. 101, Section 2, Guangfu Road, Hsinchu 30013, Taiwan
4. Academia Sinica Institute of Astronomy and Astrophysics , No. 1, Section 4., Roosevelt Road, Taipei 10617, Taiwan
5. Department for Physics, Engineering Physics and Astrophysics, Queen’s University , Kingston, ON, K7L 3N6, Canada
6. SOFIA Science Center, Universities Space Research Association , NASA Ames Research Center, Moffett Field, California 94035, USA
7. Institut für Theoretische Physik und Astrophysik, Christian-Albrechts-Universität zu Kiel , Leibnizstr. 15, D-24118 Kiel, Germany
8. Institute of Liberal Arts and Sciences, Tokushima University , Minami Jousanajima-machi 1-1, Tokushima 770-8502, Japan
9. Department of Earth Science Education, Seoul National University , 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
10. SNU Astronomy Research Center, Seoul National University , 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
11. Korea Astronomy and Space Science Institute , 776 Daedeokdae-ro, Yuseong-gu, Daejeon 34055, Republic of Korea
12. University of Science and Technology , Korea, 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Republic of Korea