1. Institute for Atmospheric and Earth System Research/Physics, University of Helsinki, Helsinki, Finland
2. Research Center for Atmospheric Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, P. R. China
3. College of Resources and Environment, Chongqing School, University of Chinese Academy of Sciences, Chongqing, P. R. China
4. LISA, UMR7583, Université Paris-Est-Créteil, Université de Paris, Institut Pierre Simon Laplace (IPSL), Créteil, France
5. Climate and Atmosphere Research Center, The Cyprus Institute, Nicosia, Cyprus
6. Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft, Netherlands