1. Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA
2. Center for Cosmology and AstroParticle Physics, The Ohio State University, 191 W. Woodruff Avenue, Columbus, OH 43210, USA
3. Institute of Astronomy, University of Cambridge, Madingley Rd, Cambridge CB3 0HA, UK
4. Cahill Center for Astrophysics, California Institute of Technology, Pasadena, CA 91125, USA
5. Núcleo de Astronomía de la Facultad de Ingeniería, Universidad Diego Portales, Av. Ejército 441, Santiago, Chile
6. Millennium Institute of Astrophysics, Santiago 7591245, Chile
7. Instituto de Astrofísica, Pontifica Universidad Católica de Chile, Av. Vicuña Mackenna 4860, 782-0436 Macul, Santiago, Chile
8. Runaway Bay Observatory, 1 Lee Road, Runaway Bay, Queensland 4216, Australia
9. Kavli Institute for Astronomy and Astrophysics, Peking University, Yi He Yuan Road 5, Hai Dian District, Beijing 100871, China
10. Department of Astronomy, Box 351580, University of Washington, Seattle, WA 98195, USA
11. Carnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101, USA