1. Institute for Computational Astrophysics and Department of Astronomy & Physics, Saint Mary’s University , 923 Robie Street, Halifax, Nova Scotia B3H 3C3 , Canada
2. Cosmic Dawn Center (DAWN) , Denmark
3. Niels Bohr Institute, University of Copenhagen , Jagtvej 128, DK-2200 Copenhagen N , Denmark
4. David A. Dunlap Department of Astronomy and Astrophysics, University of Toronto , 50 St. George Street, Toronto, Ontario M5S 3H4 , Canada
5. Dunlap Institute for Astronomy and Astrophysics,University of Toronto , 50 St George Street, Toronto, Ontario M5S 3H4 , Canada
6. Department of Astronomy, Kyoto University , Sakyo-ku, Kyoto 606-8502 , Japan
7. Department of Mathematics and Physics,University of Ljubljana , Jadranska ulica 19, SI-1000 Ljubljana , Slovenia
8. Department of Physics and Astronomy, University of California Davis , 1 Shields Avenue, Davis, CA 95616 , USA
9. Columbia Astrophysics Laboratory, Columbia University , 550 West 120th Street, New York, NY 10027 , USA
10. National Research Council of Canada, Herzberg Astronomy & Astrophysics Research Centre , 5071 West Saanich Road, Victoria, British Columbia V9E 2E7 , Canada
11. Whitin Observatory, Department of Physics and Astronomy, Wellesley College , 106 Central Street, Wellesley, MA 02481 , USA
12. Department of Physics and Astronomy, York University , 4700 Keele St. Toronto, Ontario M3J 1P3 , Canada