1. Atmospheric Chemistry Department (ACD), Leibniz-Institute for Tropospheric Research (TROPOS), D-04318 Leipzig, Germany
2. Experimental Aerosol and Cloud Microphysics Department, Leibniz-Institute for Tropospheric Research (TROPOS), D-04318 Leipzig, Germany
3. Institut de Ciències del Mar-Consejo Superior de Investigaciones Científicas (ICM-CSIC), 08003 Barcelona, Catalonia, Spain