1. Department of Meteorology University of Reading Reading UK
2. Institute for Meteorology Universität Leipzig Leipzig Germany
3. Space and Atmospheric Physics Group Imperial College London London UK
4. Max Planck Institute for Meteorology Hamburg Germany
5. Atmospheric, Oceanic and Planetary Physics, Department of Physics University of Oxford Oxford UK
6. Institut Pierre‐Simon Laplace, Sorbonne Université/CNRS Paris France
7. School of Earth and Environment University of Leeds Leeds UK
8. EPOC, UMR 5805, CNRS‐Université de Bordeaux Pessac France
9. Laboratoire de Météorologie Dynamique/IPSL, CNRS, Sorbonne Université, Ecole Normale Supérieure, PSL Research University, Ecole Polytechnique Paris France
10. NOAA ESRL Chemical Sciences Division Boulder CO USA
11. Now at Institut für Geophysik und Meteorologie Universität zu Köln Köln Germany
12. Priestley International Centre for Climate University of Leeds Leeds UK
13. National Center for Atmospheric Research Boulder CO USA
14. CEMPS University of Exeter Exeter UK
15. UK Met Office Hadley Centre Exeter UK
16. Institute for Atmospheric and Climate Science ETH Zürich Zürich Switzerland
17. Department of Meteorology Stockholm University Stockholm Sweden
18. Center for International Climate and Environmental Research‐Oslo (CICERO) Oslo Norway
19. Department of Global Ecology Carnegie Institution for Science Stanford CA USA
20. Now at Institute for Atmospheric and Environmental Sciences Goethe University Frankfurt Germany
21. Department of Applied Energy, Graduate School of Engineering, Nagoya University Nagoya Japan
22. Now at Faculty of Science, Department of Earth and Planetary Sciences Hokkaido University Sapporo Japan
23. Climate Modelling and Air Pollution Section, Research and Development Department Norwegian Meteorological Institute Oslo Norway
24. Brookhaven National Laboratory Environmental and Climate Sciences Department Upton NY USA
25. Laboratoire d'Optique Atmosphérique Université de Lille Villeneuve d'Ascq France
26. Department of Geosciences University of Oslo Oslo Norway
27. Now at Institute of Physics University of Tartu Tartu Estonia
28. NASA Langley Research Center Hampton VA USA