1. Laboratory for Atmospheric and Space Physics University of Colorado Boulder Boulder Colorado USA
2. Department of Atmospheric and Oceanic Sciences University of Colorado Boulder Boulder Colorado USA
3. Cooperative Institute for Research in Environmental Science University of Colorado Boulder Boulder Colorado USA
4. Earth System Research Laboratory National Oceanic and Atmospheric Administration Boulder Colorado USA
5. Atmospheric Chemistry Observations and Modeling Laboratory National Center for Atmospheric Research Boulder Colorado USA
6. Naval Research Laboratory Monterey California USA
7. Center for Global and Regional Environmental Research The University of Iowa Iowa City Iowa USA
8. NASA Goddard Space Flight Center Greenbelt Maryland USA
9. NASA Langley Research Center Hampton Virginia USA
10. Science Systems and Applications, Inc. Hampton Virginia USA
11. Department of Chemistry and Biochemistry University of Colorado Boulder Boulder Colorado USA