1. Department of Physics (Astrophysics); University of Oxford; DWB, Keble Road; Oxford; OX1 3RH
2. Cahill Center for Astrophysics; California Institute of Technology; East California Boulevard; Pasadena; CA; 91125; USA
3. Astrophysics Group; Weizmann Institute of Science; Rehovot; 76100; Israel
4. Swinburne University of Technology; VIC; 3122; Australia
5. Computational Cosmology Center; Lawrence Berkeley National Laboratory; 1 Cyclotron Road; Berkeley; CA; 94720; USA
6. Astrophysics Research Institute; Liverpool John Moores University; Twelve Quays House; Egerton Wharf; Birkenhead; CH41 1LD
7. Las Cumbres Observatory Global Telescope Network; Goleta; CA; 93117; USA
8. Carnegie Observatories; Las Campanas Observatory; Casilla 601; La Serena; Chile
9. Scuola Normale Superiore di Pisa; Piazza dei Cavalieri 7; 56126; Pisa; Italy
10. Observatories of the Carnegie Institution for Science; 813 Santa Barbara Street; Pasadena; CA; 91101; USA
11. Spitzer Science Center; California Institute of Technology; M/S 314-6; Pasadena; CA; 91125; USA
12. Dunlap Institute for Astronomy and Astrophysics; University of Toronto; 50 St. George Street; Toronto; M5S 3H4; Ontario; Canada
13. School of Physics and Astronomy; Tel Aviv University; Tel Aviv; 69978; Israel