1. IAG-USP, University of São Paulo, Rua do Matão 1226, Cidade Universitária, 05508-090, São Paulo, SP, Brazil
2. Leiden Observatory, University of Leiden, P.O. Box 9513, NL-2300 RA, Leiden, the Netherlands
3. Institute of Astronomy, KU Leuven, Celestijnenlaan 200D, BUS 2401, 3001 Leuven
4. Herschel Science Centre, European Space Astronomy Centre, ESA, P.O.Box 78, Villanueva de la Cañada, Spain
5. ISDEFE, Beatriz de Bobadilla 3, E-28040 Madrid, Spain
6. Department of Physics and Astronomy, University of Denver, 2112 E. Wesley Ave., Denver, CO 80210, USA
7. Astrophysics Research Institute, Liverpool John Moores University, IC2, Liverpool Science Park, 146 Brownlow Hill, Liverpool L3 5RF, UK
8. Jodrell Bank Centre for Astrophysics, Alan Turing Building, University of Manchester, Manchester, M13 9PL, UK
9. Department of Physics & Laboratory for Space Research, University of Hong Kong, Pok Fu Lam Rd., Hong Kong
10. Smithsonian Astrophysical Observatory, Cambridge, MA 02138, USA
11. Institute of Astronomy and Astrophysics, 11F of Astronomy-Mathematics Building, AS/NTU. No. 1, Section 4, Roosevelt Rd., Taipei 10617, Taiwan, ROC
12. Royal Observatory of Belgium, Ringlaan 3, B-1180, Brussels, Belgium
13. Departamento de Física Teórica, Universidad Autónoma de Madrid, Cantoblanco, E-28049, Madrid, Spain
14. Argelander-Institut für Astronomie, Universität Bonn, Auf dem Hügel 71, D-53121 Bonn, Germany