1. Department of Public Health Sciences, University of California-Davis, Davis, California, USA
2. Department of Toxic Substances Control, California Environmental Protection Agency, Berkeley, California, USA
3. Department of Environmental Chemistry, Stockholm University, Stockholm, Sweden
4. Department of Environmental Toxicology, University of California-Davis, Davis, California, USA
5. Department of Toxic Organic Pollutants, Slovak Medical University, Bratislava, Slovak Republic