1. Department of Astronomy and Astrophysics, University of California, Santa Cruz, CA 95064, USA
2. Kavli Institute for Particle Astrophysics and Cosmology and Department of Physics, Stanford University, CA 94305, USA
3. Berkeley Center for Cosmological Physics, University of California, Berkeley, CA 94720, USA
4. McWilliams Center for Cosmology, Department of Physics, Carnegie Mellon University, Pittsburgh, PA 15213, USA
5. Key Laboratory for Research in Galaxies and Cosmology, Shanghai Astronomical Observatory, Shanghai 200030, China
6. Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
7. Department of Physics and Astronomy, Swarthmore College, Swarthmore, PA 19081, USA
8. Department of Physics and Astronomy, University of New Mexico, Albuquerque, NM 87106, USA