1. Kavli Institute for Particle Astrophysics and Cosmology, Physics and Astrophysics Building, 452 Lomita Mall, Stanford, CA 94305, USA
2. Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA 94720, USA
3. Harvard Astronomy, Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138, USA
4. Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany
5. Université de Strasbourg, CNRS, Observatoire astronomique de Strasbourg, UMR 7550, F-67000 Strasbourg, France
6. GMTO Corporation, 465 N. Halstead Street, Suite 250, Pasadena, CA 91107, USA
7. Durham University, Department of Physics, Science Laboratories, South Road, Durham DH1 3LE, UK
8. University of Hawaii, Institute for Astronomy, 2680 Woodlawn Dr., Honolulu, HI 96822, USA