Georgios Gkatzelis¹, Matthieu Riva², Ralf Tillmann¹, Matthew Mitchell Coggon³, Yizhen Wu¹, Achim Grasse¹, Aki Nissinen⁴, Andre S Prevot⁵, Andrea Carolina Marcillo Lara¹, Angela Buchholz⁴, Anna Novelli¹, Ann Middlebrook³, Annika Zanders¹, Aristeidis Voliotis⁶, Avinash Kumar⁷, Benjamin Winter¹, Birger Bohn¹, Boxing Yang⁸, Carsten Warneke³, Chelsea E. Stockwell⁹, Christian Wesolek¹, David M. Bell⁵, Douglas R Worsnop¹⁰, Eka Dian Pusfitasari⁴, Emily Matthews⁶, Eva Pfannerstill¹, Farhan Nursanto¹¹, Fariba Partovi⁷, Franz Rohrer¹, Gordon McFiggans⁶, Hendrik Fuchs¹², Hugh Coe⁶, Hui Wang¹, Iida Pullinen¹³, Imad El-Haddad⁸, Jens Top⁵, Juliane L Fry¹⁴, Kelvin Bates¹⁵, Lu Liu⁸, Lukas Kesper¹, Manjula R Canagaratna¹⁰, Markus Leiminger¹⁶, Markus Mueller¹⁷, Marting Graus¹⁶, Matti Rissanen¹⁸, Max G Adam¹⁹, Michelle Färber¹, Michael A Robinson²⁰, Milan Roska¹, Mitchell Alton¹⁰, Netta Vinkvist¹⁸, Peeyush Khare¹, René Dubus¹, Robert Wegener¹, Quanfu He²¹, Rabbia Asgher²², Sana Farhoudian⁷, Sarah Albertin²³, Sebastien Perrier²⁴, Sergej Wedel¹, Shawon Barua⁷, Siddharth Iyer¹⁸, Siegfried Schobesberger⁴, Sophia M. Van de Wouw²⁵, Soren Zorn¹, Steve Brown³, Tom Bannan⁶, Thorsten Hohaus¹, Tobias Reinecke¹⁷, Yanfang Chen⁵, Yuantao Wang⁸, Yuwei Wang²⁶, Anke Nölscher¹, Andreas Wahner¹ and Astrid Kiendler-Scharr¹, (1)Forschungszentrum Jülich GmbH, Institute of Climate and Energy Systems, Troposphere (ICE-3), Jülich, Germany, (2)Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON,69626,Villeurbanne,France, Lyon, France, (3)NOAA Chemical Sciences Laboratory, Boulder, United States, (4)University of Eastern Finland, Department of Technical Physics, Kuopio, Finland, (5)Paul Scherrer Institute, Laboratory of Atmospheric Chemistry, Villigen, Switzerland, (6)University of Manchester, Department of Earth and Environmental Sciences, Manchester, United Kingdom, (7)Tampere University, Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere, Finland, (8)Paul Scherrer Institute, PSI Center for Energy and Environmental Sciences, Villigen, Switzerland, (9)CU/CIRES; NOAA/CSL, Boulder, United States, (10)Aerodyne Research Inc., Billerica, United States, (11)Wageningen University, Environmental Sciences, Wageningen, Netherlands, (12)Forschungszentrum Jülich, Institute of Climate and Energy Systems, Troposphere (ICE-3), Jülich, Germany, (13)Forschungszentrum Jülich, Institute of Energy and Climate Research, IEK-8: Troposphere, Jülich, Germany, (14)Wageningen University and Research, Wageningen, Netherlands, (15)University of Colorado Boulder, Department of Mechanical Engineering, Boulder, United States, (16)Ionicon Analytik GmbH, Innsbruck, Austria, (17)Ionicon Analytik, Innsbruck, Austria, (18)University of Helsinki, Helsinki, Finland, (19)National University of Ireland, Galway, Ireland, (20)CIRES / NOAA Chemical Sciences Laboratory, Boulder, United States, (21)Hong Kong University of Science and Technology, Hong Kong, Hong Kong, (22)Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, 33720 Tampere, Finland, Tampere, Finland, (23)Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, United States, (24)Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON,69626,Villeurbanne,France, Villeurbanne, France, (25)Wageningen University, Department of Environmental Sciences, Wageningen, Netherlands, (26)University of Manchester, Department of Earth and Environmental Sciences, Manchester, M13, United Kingdom