1. Institute for Meteorology and Climate Research; Karlsruhe Institute of Technology; Leopoldshafen Germany
2. Netherlands Institute for Space Research; Utrecht Netherlands
3. Jet Propulsion Laboratory; California Institute of Technology; Pasadena California USA
4. Laboratoire Interuniversitaire des Systèmes Atmosphériques; UMR 7583, CNRS, Université Paris-Est Créteil, Université Paris Diderot, Institut Pierre-Simon Laplace; Créteil France
5. Japan Aerospace Exploration Agency; Tsukuba Japan
6. Division of Engineering and Applied Science; California Institute of Technology; Pasadena California USA
7. Center for Atmospheric Chemistry; University of Wollongong; Wollongong New South Wales Australia
8. Institute of Environmental Physics; University of Bremen; Bremen Germany