1. Astrophysics Research Institute, Liverpool John Moores University, 146 Brownlow Hill, Liverpool L3 5RF, UK
2. Max-Planck-Institut für extraterrestrische Physik, Gießenbachstraße 1, D-85748 Garching, Germany
3. Argelander-Institut für Astronomie, Universität Bonn, Auf dem Hügel 71, D-53121 Bonn, Germany
4. UK Atacama Large Millimeter/submillimeter Array Regional Centre Node, Manchester M13 9PL, UK
5. Jodrell Bank Centre for Astrophysics, The University of Manchester, Manchester M13 9PL, UK
6. Leiden Observatory, Leiden University, PO Box 9513, NL-2300 RA Leiden, the Netherlands
7. National Radio Astronomy Observatory, 1003 Lopezville Rd., Socorro, NM 87801, USA
8. Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany
9. CSIRO Astronomy and Space Science, P.O. Box 76, Epping NSW, 1710, Australia
10. Joint ALMA Observatory, Alonso de Córdova 3107, Vitacura 763 0355, Santiago, Chile
11. National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
12. University of Vienna, Department of Astrophysics, Türkenschanzstraße 17, 1180 Vienna, Austria
13. CASA, University of Colorado, 389-UCB, Boulder, CO 80309, USA
14. Department of Physics, University of Connecticut, Storrs, CT 06269, USA
15. INAF-Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, I-50125 Firenze, Italy
16. Departamento de Astronomía, Universidad de Chile, Casilla 36-D, Santiago, Chile
17. SOFIA Science Center, USRA, NASA Ames Research Center, Mountain View, CA 94043, USA
18. Chalmers University of Technology, Onsala Space Observatory, SE-439 92 Onsala, Sweden
19. Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität Heidelberg, Mönchhofstraße 12-14, D-69120 Heidelberg, Germany
20. Physics Department, Brandeis University, 415 South Street, Waltham, MA 02453, USA
21. Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Straße 1, D-85748 Garching, Germany