1. David A. Dunlap Department of Astrophysics and Astronomy , 50 St George Street, Toronto, ON M5S 3H4, Canada
2. Department of Physics and Astronomy, University of Victoria , Victoria, BC V8P 1A1, Canada
3. Canadian Institute for Theoretical Astrophysics, University of Toronto , 60 St George Street, Toronto, ON M5S 3H8, Canada
4. Research School of Astronomy & Astrophysics, Australian National University , Canberra, ACT 2610, Australia
5. Max-Planck-Institut für extraterrestrische Physik , Giessenbachstrasse 1, D-85748 Garching, Germany
6. Queen’s University , 99 University Ave, Kingston, ON K7L 3N6, Canada
7. Herzberg Astronomy and Astrophysics, National Research Council of Canada , 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada
8. Department of Astronomy, University of Florida , P.O. Box 112055, Gainesville, FL, USA
9. Ural Federal University , Mira Street 19, Yekaterinburg 620002, Russia
10. Steward Observatory , 933 North Cherry Avenue, Tucson, AZ 85721, USA