1. Aerosol Physics, Natural Sciences, Tampere University of Technology, Tampere, Finland
2. Department of Technology, Metropolia University of Applied Sciences, Helsinki, Finland
3. Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
4. Servicio Meteorológico Nacional, Buenos Aires, Argentina
5. Climate System Research, Finnish Meteorological Institute, Helsinki, Finland
6. Helen Oy, Helsinki, Finland
7. Dekati Ltd., Kangasala, Finland
8. Valmet Technologies Oy, Tampere, Finland