1. Department of Occupational and Environmental Medicine
2. Sahlgrenska Academy
3. University of Gothenburg
4. 405 30 Göteborg, Sweden
5. Atmospheric Science
6. Department of Chemistry
7. Sweden
8. Department of Design Sciences
9. Ergonomics and Aerosol Technology
10. Lund University
11. Department of Clinical Chemistry
12. Sahlgrenska University Hospital