1. Curriculum in Toxicology and Environmental Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27514, United States
2. Center for Environmental Medicine, Asthma, and Lung Biology, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27514, United States
3. Center for Computational Toxicology and Exposure, ORD, US EPA, Research Triangle Park, Research Triangle Park, North Carolina 27711, United States
4. Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27514, United States
5. Formerly Public Health and Integrative Toxicology Division, ORD, US EPA, Chapel Hill, North Carolina 27514, United States