1. Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA.
2. Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO, USA.
3. Institute for Environment and Climate Research, Jinan University, Guangzhou, China.
4. Department of Atmospheric and Oceanic Sciences, University of Colorado, Boulder, CO, USA.
5. Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO, USA.
6. National Center for Atmospheric Research, Atmospheric Chemistry Division, Boulder, CO, USA.
7. Virtual Planetary Laboratory, Seattle, WA 98195, USA.
8. Department of Chemistry, University of Colorado, Boulder, CO, USA.
9. Naval Research Laboratory, Monterey, CA 93943, USA.
10. Naval Research Laboratory, Washington, DC 20375, USA.
11. Department of Environmental Sciences, Rutgers University, New Brunswick, NJ, USA.