1. Bodeker Scientific; Alexandra New Zealand
2. NASA Langley Research Center; Hampton Virginia USA
3. Forschungszentrum Jülich GmbH; Institute of Energy and Climate Research; Jülich Germany
4. Leibniz Institute for Tropospheric Research; Leipzig Germany
5. Department of Atmospheric Science; University of Wyoming; Laramie Wyoming USA
6. Max Planck Institute for Meteorology; Hamburg Germany
7. GEOMAR Helmholtz Centre for Ocean Research Kiel; Kiel Germany
8. ETH Zurich; Zurich Switzerland
9. NOAA Earth System Research Laboratory; Boulder Colorado USA
10. Institute for Physics of the Atmosphere; Johannes Gutenberg University; Mainz Germany
11. Department of Geosciences; Princeton University; Princeton New Jersey USA
12. Program in Atmospheric and Oceanic Sciences; Princeton University; Princeton New Jersey USA
13. Nicarnica Aviation; Kjeller Norway
14. Institute of Atmospheric Physics; Deutsches Zentrum fuer Luft- und Raumfahrt; Cologne Germany
15. Mauna Loa Observatory; NOAA; Hilo Hawaii USA
16. Meteorological Institute of Cuba; Camagüey Cuba
17. IUP University of Bremen; Bremen Germany
18. Institute of Astrophysics and Geophysics; University of Liège; Liège Belgium
19. Helmholtz Center for Polar and Marine Research; Alfred Wegener Institute; Potsdam Germany
20. Royal Belgian Institute for Space Aeronomy; Brussels Belgium
21. Institute of Space and Atmospheric Studies; University of Saskatchewan; Saskatoon Saskatchewan Canada
22. School of Chemistry; University of Leeds; Leeds UK
23. Deutscher Wetterdienst; Offenbach Germany
24. Department of Geological and Mining Engineering and Sciences; Michigan Technology University; Houghton Michigan USA
25. Service de Chimie Quantique et Photophysique; Université libre de Bruxelles; Brussels Belgium
26. IMK-IFU; Karlsruher Institut für Technologie; Karlsruhe Germany
27. School of Earth and Environment; University of Leeds; Leeds UK
28. National Centre for Atmospheric Science, School of the Earth and Environment; University of Leeds; Leeds UK
29. Department of Mechanical and Materials Engineering; University of Denver; Denver Colorado USA