Author affiliations
1 Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218, USA
2 Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
3 George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, Department of Physics & Astronomy, Texas A&M University, 4242 TAMU, College Station, TX 77843-4242, USA
4 Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth PO1 3FX, UK
5 Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA
6 Department of Physics and Astronomy, Rutgers University, 136 Frelinghuysen Road, Piscataway, NJ 08854, USA
7 Harvard/Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA