[1] Ohio State Univ, Dept Astron, 140 West 18th Ave, Columbus, OH 43210 USA
[2] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, 191 W Woodruff Ave, Columbus, OH 43210 USA
[3] Carnegie Observ, 813 Santa Barbara St, Pasadena, CA 91101 USA
[4] Univ Diego Portales, Nucl Astronomia Fac Ingn & Ciencias, Av Ejercito 441, Santiago, Chile
[5] Millennium Inst Astrophys, Santiago, Chile
[6] Peking Univ, Kavli Inst Astron & Astrophys, Yi He Yuan Rd 5, Hai Dian Dist, Peoples R China
[7] Ohio State Univ, Coll Arts & Sci, ASC Technol, 125 S Oval Mall, Columbus, OH 43235 USA
[8] Univ Warsaw Observ, Al Ujazdowskie 4, PL-00478 Warsaw, Poland