1. Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, US
2. NOAA Earth System Research Laboratory, Boulder, Colorado, US
3. LATMOS/IPSL, UPMC Univ. Paris 06 Sorbonne Universités, UVSQ, CNRS, Paris, FR
4. Laboratoire d’Aérologie, UMR 5560, CNRS and Université de Toulouse, Toulouse, FR
5. SPASCIA, Ramonville Saint-Agne, 31520, FR
6. Institute of Environmental Physics, University of Bremen, DE
7. Université libre de Bruxelles (ULB), Atmospheric Spectroscopy, Service de Chimie Quantique et Photophysique, Brussels, BE
8. Laboratoire Inter-universitaire des Systèmes Atmosphériques (LISA), UMR7583, Universités Paris-Est Créteil et Paris-Diderot, CNRS, Créteil, FR
9. Izaña Atmospheric Research Centre, AEMET, Santa Cruz de Tenerife, ES
10. Laboratoire de Physico-Chimie de l’Atmosphère (LPCA), Maison de la Recherche en Environnement Industriel 2 (MREI 2), Université du Littoral Côte d‘Opale, Dunkerque, FR
11. Izaña Atmospheric Research Centre (IARC), Agencia Estatal de Meteorología (AEMET), Santa Cruz de Tenerife, ES
12. Table Mountain Facility, Jet Propulsion Laboratory, California Institute of Technology, Wrightwood, California, US
13. Remote Sensing Laboratory (RSLAB), Department of Signal Theory and Communications, Universitat Politècnica de Catalunya (UPC), Barcelona, 08034, ES
14. Atmospheric Chemistry, Observations & Modeling (ACOM), National Center for Atmospheric Research (NCAR), Boulder, Colorado, US
15. Hase: Karlsruhe Institute of Technology (KIT), Institute for Meteorology and Climate Research (IMK-ASF), Karlsruhe, DE
16. Deutsches Zentrum für Luft- und Raumfahrt, Institut für Physik der Atmosphäre, Oberpfaffenhofen, DE
17. Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts, US
18. University of Washington Bothell, School of STEM, Bothell, Washington, US
19. University of Washington Seattle, Department of Atmospheric Sciences, Seattle, Washington, US
20. Centre for Atmospheric Chemistry, University of Wollongong, Wollongong, AU
21. Academy of Athens, Research Center for Atmospheric Physics and Climatology, Athens, GR
22. Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, UK
23. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, US
24. BAER Institute, Mountain View, California, US
25. Meteorological Observation Center, China Meteorological Administration, Beijing, CN
26. Department of Geography and Planning, University of Toronto, CA
27. School of Atmospheric Sciences, Nanjing University, Nanjing, CN
28. Environment Canada/Cooperative Institute for Mesoscale Meteorological Studies, The University of Oklahoma, and NOAA/National Severe Storms Laboratory, Norman, US
29. National Institute of Water and Atmospheric Research (NIWA), Lauder, NZ
30. Institute for Energy and Climate Research – Troposphere (IEK-8), Forschungszentrum Jülich, DE
31. Jülich Supercomputing Centre, Forschungszentrum Jülich, Jülich, DE
32. Atmospheric Sciences Research Center, University at Albany – State University of New York, Albany, New York, US
33. Empa, Swiss Federal Laboratories for Materials Scienceand Technology, Duebendorf, CH
34. National Institute for Environmental Studies, Tsukuba, JP
35. Experimental Studies Research Division, MSC/Environment and Climate Change Canada, Downsview, Ontario, CA
36. NASA/Goddard Space Flight Center, Greenbelt, Maryland, US
37. Karlsruher Institut für Technologie, IMK-IFU, Garmisch-Partenkirchen, DE
38. National Center for Atmospheric Research, Boulder, Colorado, US
39. Royal Belgian Institute for Space Aeronomy, Bruxelles, BE
40. Institute of Atmospheric Composition, Chinese Academy of Meteorological Sciences, China Meteorological Administration, Beijing, CN
41. National Institute of Water and Atmospheric Research (NIWA), Wellington, NZ
42. Morgan State University, Baltimore, Maryland, US