1. Cooperative Institute for Research in the Environmental SciencesUniversity of Colorado Boulder Boulder CO USA
2. NOAA Earth System Research Laboratory (ESRL)Chemical Sciences Division Boulder Colorado USA
3. Now at Department of ChemistryColgate University Hamilton NY USA
4. Center for International Climate and Environmental Research – Oslo (CICERO) Oslo Norway
5. Naval Research Laboratory Monterey CA USA
6. NASA Langley Research Center Hampton VA USA
7. California State University San Bernardino CA USA
8. Department of ChemistryUniversity of California Irvine Irvine CA USA
9. Department of Chemistry and BiochemistryUniversity of Colorado, Boulder Boulder CO USA
10. National Institute of Polar Research Tachikawa Japan
11. Department of Earth and Planetary Science, Graduate School of ScienceUniversity of Tokyo Tokyo Japan
12. Department of Air Quality Research, Climate and Air Quality Research DivisionNational Institute for Environmental Research Incheon South Korea
13. Department of Environmental ScienceHankuk University of Foreign Studies South Korea
14. Department of Atmospheric SciencesYonsei University Seoul South Korea
15. Department of Environmental SciencesUniversity of Virginia Charlottesville VA USA
16. Institute for Ion Physics and Applied PhysicsUniversity of Innsbruck Austria
17. Department of ChemistryUniversity of Oslo Oslo Norway