1. Forschungszentrum Jülich GmbHInstitut für Energie- und Klimaforschung 8: Troposphäre, DE-52425 Jülich, Germany
2. Laboratoire d'AérologieCNRS, Université Paul Sabatier Toulouse III, FR-31062 Toulouse, France
3. Max Planck Institute for Biogeochemistry, DE-07745 Jena, Germany
4. Karlsruhe Institute of Technology, DE-76131 Karlsruhe, Germany
5. Max Planck Institute for Chemistry, DE-55128 Mainz, Germany
6. Centre for Atmospheric Science, University of Manchester, Manchester, UK
7. Leibniz Institute for Tropospheric Research, DE-04318 Leipzig, Germany
8. CNRM Météo-France, FR-31057 Toulouse, France
9. DLR Institute of Atmospheric Physics, DE-82234 Oberpfaffenhofen, Germany
10. Institute of Environmental PhysicsUniversity of Heidelberg, DE-69117 Heidelberg, Germany
11. Laboratoire Interuniversitaire des Systèmes Atmosphériques (LISA) CNRS, FR-7583 Créteil, France