1. Department of Astronomy, The Ohio State University , 140 W. 18th Ave., Columbus, OH 43210 , USA
2. Center for Cosmology and Astroparticle Physics (CCAPP), The Ohio State University , 191 W. Woodruff Ave., Columbus, OH 43210 , USA
3. The Observatories of the Carnegie Institution for Science , 813 Santa Barbara St., Pasadena, CA 91101 , USA