1. Institute for Astrophysics and Computational Sciences, Department of Physics, The Catholic University of America, Washington, DC 20064, USA
2. AURA for ESA, Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
3. Department of Physics and Astronomy, Georgia State University, Astronomy Offices, 25 Park Place, Suite 600, Atlanta, GA 30303, USA
4. Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
5. Naval Research Laboratory, Washington, DC 20375, USA
6. Harvard-Smithsonian Center for Astrophysics, 60 Garden St, Cambridge, MA 02138, USA
7. DARK, Niels Bohr Institute, University of Copenhagen, Jagtvej 128, DK-2200 Copenhagen N, Denmark
8. Steward Observatory and Department of Astronomy, University of Arizona, 933 N Cherry Avenue, Tucson, AZ 85721, USA
9. Department of Astronomy and Astrophysics, University of California, Santa Cruz, CA 95064, USA
10. Department of Physics and Astronomy, University of California, Riverside, CA 92507, USA
11. Kavli Institute for Astronomy and Astrophysics, and School of Physics, Department of Astronomy, Peking University, Beijing 100871, China
12. Dominion Astrophysical Observatory, NRC Herzberg Institute of Astrophysics, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada
13. Department of Astronomy, University of Maryland, College Park, MD 20742, USA
14. School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
15. Departamento de Astronomia, Universidade Federal do Rio Grande do Sul, IF, CP 15051, 91501-970 Porto Alegre, RS, Brazil
16. Eureka Scientific, Inc., 2452 Delmer Street, Suite 100, Oakland, CA 94602-3017, USA
17. Centre for Extragalactic Astronomy, Department of Physics, University of Durham, South Road, Durham DH1 3LE, UK