1. Department of Chemistry, University of Washington, Seattle, Washington, United
States
2. Department of Atmospheric
Sciences, University of Washington, Seattle,
Washington, United
States
3. Department of Chemistry
and Biochemistry, University of California, San Diego, California, United
States
4. NOAA Earth System Research Laboratory, Boulder, Colorado, United States
5. Cooperative Institute for Research
in Environmental Sciences, University of Colorado, Boulder, Colorado, United States
6. Air Quality Research Division,
Science and Technology Branch, Environment Canada, Canada
7. Department of Chemistry
and Biochemistry, University of Colorado, Boulder, Colorado, United States