1. Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA
2. NOAA Chemical Sciences Laboratory, Boulder, CO, USA
3. Jülich Supercomputing Centre, Forschungszentrum Jülich, Jülich, Germany
4. NOAA Global Monitoring Laboratory, Boulder, CO, USA
5. Key Laboratory for Atmospheric Chemistry, Institute of Atmospheric Composition, Chinese Academy of Meteorological Sciences, China Meteorological Administration, Beijing, China
6. NASA Goddard Space Flight Center, Greenbelt, MD, USA
7. Morgan State University, Baltimore, MD, USA