1. Department of Materials and Environmental Chemistry, Stockholm University, Stockholm 106 91, Sweden
2. Forensic Chemistry Center, Office of Regulatory Science, Office of Regulatory Affairs, US Food and Drug Administration, Cincinnati, Ohio 45237, United States
3. Center for Food Safety and Applied Nutrition, US Food and Drug Administration, College Park, Maryland 20740, United States
4. MED Institute Inc, West Lafayette, Indiana 47906, United States
5. Center for Public Health and Environmental Assessment, US Environmental Protection Agency, Corvallis, Oregon 97333, United States
6. VasAnalytical, Flemington, New Jersey 08822, United States
7. Intertek Pharmaceutical Services, Whitehouse, New Jersey 08888, United States
8. Center for Computational Toxicology and Exposure, Office of Research and Development, US Environmental Protection Agency, Durham, North Carolina 27711, United States
9. Department of Environmental Science, Stockholm University, Stockholm 106 91, Sweden