1. Department of Biological Sciences, Environmental and Molecular Toxicology Program, North Carolina State University, 850 Main Campus Drive, Raleigh, North Carolina 27606, United States
2. Department of Molecular Biomedical Sciences, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, North Carolina 27607, United States
3. Nicholas School of the Environment, Duke University, Durham, North Carolina 27708, United States
4. Department of Statistics, North Carolina State University, Raleigh, North Carolina 27607, United States
5. Bioinformatics Research Center, North Carolina State University, Raleigh, North Carolina 27607, United States
6. Biostatistics and Computational Biology Branch, National Institute of Environmental Health Sciences, Durham, North Carolina 27709, United States
7. Duke Cancer Institute, Durham, North Carolina 27710, United States
8. Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina 27607, United States
9. Center for Human Health and the Environment, North Carolina State University, Raleigh, North Carolina 27607, United States