1. Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, Colorado 80309, United States
2. NOAA Chemical Sciences Laboratory, Boulder, Colorado 80305, United States
3. Department of Mechanical Engineering, University of Colorado, Boulder, Colorado 80309, United States
4. Department of Civil Engineering and Geosciences, Technical University of Delft, 2628 CN Delft, The Netherlands
5. NCAR Atmospheric Chemistry Observations & Modeling Laboratory, Boulder, Colorado 80307, United States
6. Royal Netherlands Meteorological Institute, 3731 GA De Bilt, The Netherlands
7. Department of Chemistry, University of Colorado, Boulder, Colorado 80309, United States