1. Nicholas School of the Environment Duke University Durham NC USA
2. Environmental Sciences and Engineering Department University of North Carolina at Chapel Hill Chapel Hill NC USA
3. Atmospheric Chemistry Observations and Modeling Laboratory National Center for Atmospheric Research (NCAR) Boulder CO USA
4. European Center for Medium‐Range Weather Forecasts Reading UK
5. Norwegian Meteorological Institute Oslo Norway
6. CICERO Center for International Climate Research Oslo Norway
7. Japan Agency for Marine‐Earth Science and Technology Yokohama Japan
8. Nagoya University Nagoya Japan
9. CIRES University of Colorado/NOAA Chemical Sciences Laboratory Boulder CO USA
10. Laboratoire d'Aérologie Université de Toulouse CNRS UPS France