1. Department of Chemistry and Biochemistry, and Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, Colorado, USA
2. Center for Aerosol and Cloud Chemistry, Aerodyne Research Inc., Billerica, Massachusetts, USA
3. Particle Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
4. School of Earth, Atmospheric & Environmental Sciences, The University of Manchester, Manchester, United Kingdom
5. National Centre for Atmospheric Science, The University of Manchester, Manchester, United Kingdom
6. NOAA Earth System Research Laboratory (ESRL) Chemical Sciences Division, Boulder, Colorado, USA
7. Laboratory for Atmospheric Chemistry, Paul Scherrer Institute, Villigen PSI, Switzerland
8. Department of Environmental Toxicology, University of California at Davis, Davis, California, USA