1. Univ. of California, Davis, CA (United States)
2. Univ. of Pennsylvania, Philadelphia, PA (United States)
3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
4. Carnegie Inst. of Washington, Washington, DC (United States). Observatories
5. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
6. Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics (KICP)
7. Harvard Univ., Cambridge, MA (United States)
8. California Inst. of Technology (CalTech), Pasadena, CA (United States)
9. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Univ. of Chicago, IL (United States). Astronomy Astrophysics Center
10. NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States)
11. Princeton Univ., NJ (United States)
12. Texas A & M Univ., College Station, TX (United States)