1. Department of Environmental Science, Policy, and Management; University of California; Berkeley California USA
2. Department of Chemical Engineering and Applied Chemistry; University of Toronto; Toronto Ontario Canada
3. Chemical Sciences Division; Lawrence Berkeley National Laboratory; Berkeley California USA
4. Aerosol Dynamics Inc.; Berkeley California USA
5. Department of Chemistry; University of California; Berkeley California USA
6. Department of Civil and Environmental Engineering; University of California; Berkeley California USA
7. Environmental Energy Technologies Division; Lawrence Berkeley National Laboratory; Berkeley California USA
8. Cooperative Institute for Research in the Environmental Sciences; University of Colorado Boulder; Boulder Colorado USA
9. Chemical Sciences Division; NOAA; Boulder Colorado USA
10. National Exposure Laboratory, Office of Research and Development; U.S. Environmental Protection Agency; Research Triangle Park North Carolina USA
11. Department of Environmental Sciences and Engineering, Gillings School of Global Public Health; University of North Carolina at Chapel Hill; Chapel Hill North Carolina USA
12. Department of Chemistry and Biochemistry; University of Colorado Boulder; Boulder Colorado USA