1. Department
of Exposure and Risk Assessment, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, 0403 Oslo, Norway
2. Department
of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili, Marcel·lí Domingo s/n, 43007 Tarragona, Spain
3. Toxicological
Centre, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk-Antwerp, Belgium
4. Department
of Chemistry, University of Oslo, P.O. Box 1033, Blindern, 0315 Oslo, Norway