1. Centre for Atmospheric Chemistry School of Chemistry, University of Wollongong Wollongong New South Wales Australia
2. School of Earth and Environmental Sciences University of Wollongong Wollongong New South Wales Australia
3. Department of Atmospheric Sciences, Rosenstiel School of Marine and Atmospheric Sciences University of Miami Miami FL USA
4. Department of Chemistry University of California Irvine CA USA
5. Cooperative Institute for Research in Environmental Sciences University of Colorado Boulder Boulder CO USA
6. Chemical Sciences Division NOAA Earth System Research Laboratory Boulder CO USA
7. Department of Atmospheric Science Colorado State University Fort Collins CO USA
8. Department of Earth and Environmental Sciences University of Rochester Rochester NY USA