1. Department
of Biological Sciences, Program in Environmental and Molecular Toxicology, North Carolina State University, Raleigh, North Carolina, United States
2. Organic
Geochemistry Research Laboratory, US Geological Survey (USGS), Lawrence, Kansas, United States
3. Prestage
Department of Poultry Science, North Carolina State University, Raleigh, North Carolina, United States
4. Nicholas
School of the Environment, Duke University, Durham, North Carolina, United States