[1] INAF, Osservatorio Astron Trieste, Via GB Tiepolo 11, I-34143 Trieste, Italy
[2] IFPU, Via Beirut 2, I-34014 Trieste, Italy
[3] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA
[4] Univ Calif Riverside, Dept Phys & Astron, 900 Univ Ave, Riverside, CA 92521 USA
[5] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA
[6] Univ Michigan, Dept Astron, Ann Arbor, MI 48109 USA
[7] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA
[8] Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, POB 2450, Stanford, CA 94305 USA
[9] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA
[10] Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA
[11] Stanford Univ, Dept Phys, 382 Via Pueblo Mall, Stanford, CA 94305 USA
[12] Univ Sussex, Dept Phys & Astron, Pevensey Bldg, Brighton BN1 9QH, E Sussex, England
[13] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA
[14] Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA
[15] Max Planck Inst Extraterr Phys, Giessenbachstr, D-85748 Garrhing, Germany
[16] Excellence Cluster Universe, Boltzmannstr 2, D-85748 Garching, Germany
[17] Natl Opt Astron Observ, Cerro Tololo Interamer Observ, Casilla 603, La Serena, Chile
[18] UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England
[19] Rhodes Univ, Dept Phys & Elect, POB 94, ZA-6140 Grahamstown, South Africa
[20] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England
[21] LSST, 933 North Cherry Ave, Tucson, AZ 85721 USA
[22] Lab Interinst & Astron LIneA, Rua Gal Jose Cristino 77, BR-20921400 Rio De Janeiro, RJ, Brazil
[23] Observ Nacl, Rua Gal Jose Cristino 77, BR-20921400 Rio De Janeiro, RJ, Brazil
[24] Univ Illinois, Dept Astron, 1002 W Green St, Urbana, IL 61801 USA
[25] Natl Ctr Supercomp Applicat, 1205 West Clark St, Urbana, IL 61801 USA
[26] Barcelona Inst Sci & Technol, IFAE, Campus UAB, E-08193 Bellaterra, Barcelona, Spain
[27] IEEC, Barcelona 08193, Spain
[28] CSIC, Inst Space Sci, ICE, Campus UAB,Carrer Can Magrans S-N, E-08193 Barcelona, Spain
[29] Ctr Invest Energet Medioambientales & Tecnol CIEM, Madrid 28040, Spain
[30] Ludwig Maximilian Univ Munchen, Fak Phys, Univ Sternwarte, Scheinerstr 1, D-81679 Munich, Germany
[31] Steward Observ, Dept Astron, 933 North Cherry Ave, Tucson, AZ 85721 USA
[32] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA
[33] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA
[34] UAM, CSIC, Inst Fis Teor, E-28049 Madrid, Spain
[35] Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England
[36] Univ Cambridge, Kavli Inst Cosmol, Madingley Rd, Cambridge CB3 0HA, England
[37] Swiss Fed Inst Technol, Dept Phys, Wolfgang Pauli Str 16, CH-8093 Zurich, Switzerland
[38] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA
[39] Ohio State Univ, Dept Phys, 174 W 18th Ave, Columbus, OH 43210 USA
[40] Harvard Smithsonian Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA
[41] Australian Astron Observ, N Ryde, NSW 2113, Australia
[42] Univ Sao Paulo, Inst Fis, Dept Fis Matemat, CP 66318, BR-05314970 Sao Paulo, SP, Brazil
[43] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA
[44] Texas A&M Univ, Dept Phys & Astron, George P & Cynthia Woods Mitchell Inst Fundamenta, College Stn, TX 77843 USA
[45] Ohio State Univ, Dept Astron, 174 W 18Th Ave, Columbus, OH 43210 USA
[46] Inst Catalana Recerca & Estudis Avanots, E-08010 Barcelona, Spain
[47] Brookhaven Natl Lab, Bldg 510, Upton, NY 11973 USA
[48] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England
[49] Brandeis Univ, Phys Dept, 415 South St, Waltham, MA 02453 USA
[50] Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083859 Campinas, SP, Brazil