1. Department of Chemistry, University of Colorado Boulder, Boulder, CO, USA.
2. Cooperative Institute for Research in Environmental Sciences, Boulder, CO, USA.
3. Atmospheric Chemistry Observations & Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA.
4. Mesoscale & Microscale Meteorology Laboratory, National Center for Atmospheric Research, Boulder, CO, USA.
5. Department of Atmospheric Chemistry and Climate, Institute of Physical Chemistry Rocasolano, Spanish National Research Council (CSIC), Madrid, Spain.
6. Space Science and Engineering Center, University of Wisconsin, Madison, WI, USA.
7. Institute for Interdisciplinary Science, National Research Council (ICB-CONICET), FCEN-UNCuyo, Mendoza, Argentina.
8. The National Environmental Satellite, Data, and Information Service (NESDIS), Madison, WI, USA.
9. Earth Observing Laboratory, National Center for Atmospheric Research, Boulder, CO, USA.