(2022-02-02) Wang, Mingyi; Xiao, Mao; Bertozzi, Barbara; Marie, Guillaume; Rörup, Birte; Schulze, Benjamin; Bardakov, Roman; He, Xu-Cheng; Shen, Jiali; Scholz, Wiebke; Marten, Ruby; Dada, Lubna; Baalbaki, Rima; Lopez, Brandon; Lamkaddam, Houssni; Manninen, Hanna E.; Amorim, Antonio; Ataei, Farnoush; Bogert, Pia; Brasseur, Zoé; Caudillo, Lucía; De Menezes, Louis-Philippe; Duplissy, Jonathan; Ekman, Annica; Finkenzeller, Henning; Gonzalez Carracedo, Loïc; Granzin, Manuel; Guida, Roberto; Heinritzi, Martin; Hofbauer, Victoria; Höhler, Kristina; Krechmer, Jordan E.; Kürten, Andreas; Lehtipalo, Katrianne; Mahfouz, Naser G. A.; Makhmutov, Vladimir; Massabò, Dario; Mathot, Serge; Mauldin, Roy L.; Mentler, Bernhard; Müller, Tatjana; Onnela, Antti; Petäjä, Tuukka; Philippov, Maxim; Piedehierro, Ana A.; Pozzer, Andrea; Ranjithkumar, Ananth; Schervish, Meredith; Simon, Mario; Stozhkov, Yuri; Tomé, António; Umo, Nsikanabasi Silas; Vogel, Franziska; Wagner, Robert; Wang, Dongyu S.; Weber, Stefan K.; Welti, André; Wu, Yusheng; Zauner-Wieczorek, Marcel; Sipilä, Mikko; Winkler, Paul M.; Hansel, Armin; Baltensperger, Urs; Kulmala, Markku; Flagan, Richard C.; Curtius, Joachim; Riipinen, Ilona; Gordon, Hamish; Lelieveld, Jos; El-Haddad, Imad; Volkamer, Rainer; Worsnop, Douglas R.; Christoudias, Theodoros; Kirkby, Jasper; Möhler, Ottmar; Donahue, Neil M.; Center for Atmospheric Particle Studies, Carnegie Mellon University, Pittsburgh, PA, 15213, USA - Wang, Mingyi; Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, 5232 Villigen, Switzerland - Xiao, Mao; Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany - Bertozzi, Barbara; Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, Frankfurt am Main, 60438, Germany - Marie, Guillaume; Institute of Atmospheric and Earth System Research, University Helsinki, 00560 Helsinki, Finland - Rörup, Birte; Department of Environmental Science and Engineering, California Institute of Technology, Pasadena, CA, 91125 - Schulze, Benjamin; Department of Meteorology, Stockholm University, Stockholm, Sweden; Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden - Bardakov, Roman; Institute for Atmospheric and Earth System Research INAR, University of Helsinki, 00560, Finland - He, Xu-Cheng; Institute for Atmospheric and Earth System Research INAR, University of Helsinki, 00560, Finland - Shen, Jiali; Institute for Ion Physics and Applied Physics, University of Innsbruck, 6020 Innsbruck, Austria - Scholz, Wiebke; Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, 5232 Villigen, Switzerland - Marten, Ruby; Please also add PSI besides Helsinki: Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, CH-5232 Villigen, Switzerland - Dada, Lubna; Institute for Atmospheric and Earth System Research INAR, University of Helsinki, 00560, Finland - Baalbaki, Rima; Center for Atmospheric Particle Studies, Carnegie Mellon University, Pittsburgh, PA, 15213, USA - Lopez, Brandon; Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, 5232 Villigen, Switzerland - Lamkaddam, Houssni; CERN, the European Organization for Nuclear Research, CH-1211 Geneve 23, Switzerland - Manninen, Hanna E.; CENTRA and Faculdade de Ciências da Universidade de Lisboa, Campo Grande, Lisboa, Portugal - Amorim, Antonio; Leibniz institute for Tropospheric Research (TROPOS) - Ataei, Farnoush; Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany - Bogert, Pia; Institute for Atmospheric and Earth System Research, University of Helsinki, Helsinki, 00014, Finland - Brasseur, Zoé; Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, 60438 Frankfurt am Main, Germany - Caudillo, Lucía; CERN, the European Organization for Nuclear Research, CH-1211 Geneve 23, Switzerland - De Menezes, Louis-Philippe; Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, 00014 Helsinki, Finland; Helsinki Insitute for Physics, University of Helsinki, Finland - Duplissy, Jonathan; Department of Meteorology and Bolin Centre for Climate Research, Stockholm University, 10691 Stockholm, Sweden - Ekman, Annica; Department of Chemistry & CIRES, University of Colorado Boulder, Boulder, CO, 80309, USA - Finkenzeller, Henning; Faculty of Physics, University of Vienna, 1090 Vienna, Austria - Gonzalez Carracedo, Loïc; Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt am Main, Frankfurt am Main, Germany - Granzin, Manuel; CERN, the European Organization for Nuclear Research, CH-1211 Geneve 23, Switzerland - Guida, Roberto; Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, 60438 Frankfurt am Main, Germany - Heinritzi, Martin; Center for Atmospheric Particle Studies, Carnegie Mellon University, Pittsburgh, PA, 15213, USA - Hofbauer, Victoria; Institute of Meteorology and Climate Research, Atmospheric Aerosol Research (IMK-AAF), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen Germany - Höhler, Kristina; Aerodyne Research, Inc. Billerica, MA 02181, USA - Krechmer, Jordan E.; Goethe University Frankfurt, Institute for Atmospheric and Environmental Sciences, Altenhöferallee 1, 60438 Frankfurt am Main, Germany - Kürten, Andreas; Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, 00014 Helsinki, Finland; Finnish meteorological insitute, 00560 Helsinki, Finland - Lehtipalo, Katrianne; Center for Atmospheric Particle Studies, Carnegie Mellon University, Pittsburgh, PA, 15213, USA; Atmospheric and Oceanic Sciences, Princeton University, Princeton, NJ, 08540, USA - Mahfouz, Naser G. A.; P.N.Lebedev Physical Institute of the Russian Academy of Science, Moscow, Leninskiy Prospekt 53, Russia; Moscow Institute of Physics and Technology (National Research University), Moscow, 117303, Russia. - Makhmutov, Vladimir; Department of Physics, University of Genoa & INFN, via Dodecaneso 33, 16146, Genoa, Italy - Massabò, Dario; CERN, the European Organization for Nuclear Research, CH-1211 Geneve 23, Switzerland - Mathot, Serge; Department of Atmospheric and Oceanic Sciences, University of Colorado Boulder, CO 80309, Boulder, USA - Mauldin, Roy L.; Institute for Ion Physics and Applied Physics, University of Innsbruck, 6020 Innsbruck, Austria - Mentler, Bernhard; Institute for Atmospheric and Environmental Science, Goethe University Frankfurt, Frankfurt am Main, 60438, Germany; Max Planck Institute for Chemistry, Mainz, 55128, Germany - Müller, Tatjana; CERN, the European Organization for Nuclear Research, CH-1211 Geneve 23, Switzerland - Onnela, Antti; Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, 00014 Helsinki, Finland - Petäjä, Tuukka; P.N.Lebedev Physical Institute of the Russian Academy of Science, Moscow, Leninskiy Prospekt 53, Russia - Philippov, Maxim; Finnish Meteorological Institute, Helsinki, 00560, Finland - Piedehierro, Ana A.; Atmospheric Chemistry Department, Max Planck Institute for Chemistry, 55128 Mainz, Germany - Pozzer, Andrea; School of Earth and Environment, University of Leeds, LS2 9JT, United Kingdom - Ranjithkumar, Ananth; Center for Atmospheric Particle Studies, Carnegie Mellon University, Pittsburgh, PA, 15213, USA - Schervish, Meredith; Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, Frankfurt am Main, 60438, Germany - Simon, Mario; P.N.Lebedev Physical Institute of the Russian Academy of Science, Moscow, Leninskiy Prospekt 53, Russia - Stozhkov, Yuri; IDL-Universidade da Beira Interior, Rua Marquês D'Ávila e Bolama 6201-001 Covilhã, Portugal - Tomé, António; Institute of Meteorology and Climate Research - Atmospheric Aerosol Research, Karlsruhe Institute of Technology, Germany. - Umo, Nsikanabasi Silas; Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany - Vogel, Franziska; Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany - Wagner, Robert; Laboratory of Atmospheric Chemistry, Paul Scherrer Institut, Villigen PSI, Aargau, 5232, Switzerland - Wang, Dongyu S.; CERN, the European Organization for Nuclear Research, CH-1211 Geneve 23, Switzerland - Weber, Stefan K.; Finnish Meteorological Institute, Helsinki, Finland - Welti, André; Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, 00014 Helsinki, Finland - Wu, Yusheng; Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, 60629 Frankfurt am Main, Germany - Zauner-Wieczorek, Marcel; Institute for Atmospheric and Earth System Research INAR, University of Helsinki, 00560, Finland - Sipilä, Mikko; Faculty of Physics, University of Vienna, 1090 Vienna, Austria - Winkler, Paul M.; Institute for Ion Physics and Applied Physics, University of Innsbruck, 6020 Innsbruck, Austria; Ionicon Analytik Ges. m. b. H. , Eduard-Bodem-Gasse 3, 6020 Innsbruck (AT) - Hansel, Armin; Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, 5232 Villigen, Switzerland - Baltensperger, Urs; University of Helsinki, Faculty of Science Institute for Atmospheric and Earth System Research (INAR) / Physics - Kulmala, Markku; Department of Environmental Science and Engineering, California Institute of Technology, Pasadena, CA, 91125 - Flagan, Richard C.; Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, 60438 Frankfurt am Main, Germany - Curtius, Joachim; Department for Environmental Science (ACES) and Bolin Centre for Climate Research, Stockholm University, Sweden - Riipinen, Ilona; Center for Atmospheric Particle Studies, Carnegie Mellon University, Pittsburgh, PA, 15213, USA - Gordon, Hamish; Atmospheric Chemistry Department, Max Planck Institute for Chemistry, 55128 Mainz, Germany - Lelieveld, Jos; Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, 5232 Villigen, Switzerland - El-Haddad, Imad; Department of Chemistry & CIRES, University of Colorado Boulder, Boulder CO, 80305, USA - Volkamer, Rainer; Institute for Atmospheric and Earth System Research INAR, University of Helsinki, 00560, Finland; Aerodyne Research, Inc., Billerica, MA, 01821, USA - Worsnop, Douglas R.; Climate and Atmosphere Research Center, The Cyprus Institute, Nicosia, 2121, Cyprus - Christoudias, Theodoros; CERN, the European Organization for Nuclear Research, CH-1211 Geneve 23, Switzerland; Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, Frankfurt am Main, 60438, Germany - Kirkby, Jasper; Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, 76021, Germany, - Möhler, Ottmar; Center for Atmospheric Particle Studies, Carnegie Mellon University, Pittsburgh, PA, 15213, USA - Donahue, Neil M.