1. Department of Chemistry Indiana University Bloomington IN USA
2. Now at Department of Chemistry Quinnipiac University Hamden CT USA
3. O'Neill School of Public and Environmental Affairs Indiana University Bloomington IN USA
4. Now at Department of Atmospheric Sciences National Central University Taoyuan Taiwan
5. Now at IMT Lille Douai Université de Lille SAGE—Sciences de l'Atmosphère et Génie de l'Environnement Lille France
6. Earth System Research Laboratory National Oceanic and Atmospheric Administration Boulder CO USA
7. Cooperative Institute for Research in Environmental Sciences University of Colorado Boulder CO USA
8. Now at Department of Atmospheric and Cryospheric Sciences University of Innsbruck Innsbruck Austria
9. Department of Chemistry University of Colorado Boulder CO USA
10. Now at Department of Chemistry York University Toronto Canada
11. Department of Earth and Atmospheric Sciences University of Houston Houston TX USA
12. Now at Earth Science Division NASA Headquarters Washington DC USA