1. LUMA Science Helsinki and Institute for Atmospheric and Earth System Research INAR, University of Helsinki and Heinola Upper Secondary School, 00100 Helsinki, Finland
2. Independent Researcher, 18100 Heinola, Finland
3. LUMA Science Helsinki, Department of Chemistry, University of Helsinki and Ressu Upper Secondary School, 00100 Helsinki, Finland
4. LUMA Science Helsinki, Department of Chemistry, University of Helsinki, 00100 Helsinki, Finland