1. Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
2. Centro Mario Molina Chile, Santiago de Chile, Chile
3. Department of Applied Physics, University of São Paulo, Rua do Matão, São Paulo, Brazil
4. Department of Health Security, National Institute for Health and Welfare, Kuopio, Finland
5. Outokumpu Stainless Ltd, Terästie, Tornio, Finland
6. Work Environment, Finnish Institute of Occupational Health, Tampere, Finland