1. Department
of Biological Sciences, Environmental and Molecular Toxicology, North Carolina State University, 850 Main Campus Drive, Raleigh, North Carolina 27695, United States
2. Organic
Geochemistry Research Laboratory, U.S. Geological Survey, 4821 Quail Crest
Place, Lawrence, Kansas 66049, United States
3. Prestage
Department of Poultry Science, North Carolina State University, 2711
Founders Drive, Raleigh, North Carolina 27695, United States
4. Nicholas
School of the Environment, Duke University, 450 Research Drive, Durham, North Carolina 27705, United States