1. Atmospheric Chemistry Observations & Modeling Laboratory National Center for Atmospheric Research Boulder CO USA
2. Cooperative Institute for Research in Environmental Sciences University of Colorado Boulder Boulder CO USA
3. Chemical Sciences Laboratory National Oceanic and Atmospheric Administration Boulder CO USA
4. Climate and Global Dynamics Laboratory National Center for Atmospheric Research Boulder CO USA
5. Department of Meteorology and Atmospheric Science Pennsylvania State University University Park PA USA
6. Department of Chemical and Biochemical Engineering The University of Iowa Iowa City IA USA
7. Center for Global and Regional Environmental Research The University of Iowa Iowa City IA USA
8. Department of Atmospheric Science Colorado State University Fort Collins CO USA
9. Atmospheric Chemistry and Dynamics Lab NASA Goddard Space Flight Center Greenbelt MD USA
10. John A. Paulson School of Engineering and Applied Sciences Harvard University Cambridge MA USA
11. Department of Chemistry and Chemical Biology Harvard University Cambridge MA USA
12. Department of Earth and Planetary Sciences Harvard University Cambridge MA USA
13. School of Civil and Environmental Engineering Georgia Institute of Technology Atlanta GA USA
14. School of Earth and Atmospheric Sciences Georgia Institute of Technology Atlanta GA USA
15. Earth Science Division NASA Ames Research Center Moffett Field CA USA
16. Department of Chemistry University of Colorado Boulder CO USA
17. Institute for Environmental and Climate Research Jinan University Guangzhou China
18. Institute for Ion Physics and Applied Physics University of Innsbruck Innsbruck Austria
19. Department of Chemistry University of Oslo Oslo Norway