1. NOAA Earth System Research Laboratory Boulder CO USA
2. Cooperative Institute for Research in Environmental Sciences University of Colorado Boulder Boulder CO USA
3. Now at Department of Chemistry and Biochemistry University of Colorado Boulder Boulder CO USA
4. Now at Department of Chemistry University of York York UK
5. Now at Department of Atmospheric and Cryogenic Sciences University of Innsbruck Innsbruck Austria
6. NASA Goddard Space Flight Center Greenbelt MD USA
7. John A. Paulson School of Engineering and Applied Sciences and Department of Chemistry and Chemical Biology Harvard University Cambridge MA USA
8. Now at School of Environmental Engineering Georgia Institute of Technology Atlanta GA USA
9. Now at Department of Atmospheric Sciences Yonsei University Seoul South Korea
10. Now at Aerodyne Research Billerica MA USA
11. Now at NASA Langley Research Center Hampton VA USA
12. Now at Department of Atmospheric Science Colorado State University Fort Collins CO USA
13. Joint Center for Earth Systems Technology University of Maryland, Baltimore County Baltimore MD USA