1. California Institute of Technology (United States)
2. W. M. Keck Observatory (United States)
3. Univ. of Hawaii (United States)
4. Subaru Telescope, National Astronomical Observatory of Japan (United States)
5. Jet Propulsion Lab. (United States)
6. The Univ. of Texas at Austin (United States)
7. Univ. of California, Los Angeles (United States)
8. Univ. of California, Santa Cruz (United States)
9. Australian National Univ. (Australia)