1. Department of Chemistry, Umeå University, SE-901 87 Umeå, Sweden
2. Endocrine Toxicology Group, Institute for Risk Assessment
Sciences, Utrecht University, P.O. Box 80177, NL-3508 TD Utrecht, The Netherlands
3. Department
of Cell and Molecular Biology, Karolinska Institute, SE-171 77 Stockholm, Sweden
4. Department of Chemistry
and Toxicology, Veterinary Research Institute, 621 32 Brno, Czech Republic
5. Department of Environmental Toxicology, University of California, Davis, California 95616, United States