1. Univ. of Arizona (United States)
2. INAF, Osservatorio Astrofisico di Arcetri (Italy)
3. Univ. of California, Santa Barbara (United States)
4. Australian National Univ. (Australia)
5. Carnegie Institute of Washington (United States)
6. Leiden Univ. (Netherlands)
7. Subaru Telescope, National Astronomical Observatory of Japan (United States)