1. Univerity of North Carolina Neuroscience Center, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
2. Department of Cell Biology and Physiology, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
3. Carolina Institute for Developmental Disabilities, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
4. Department of Environmental Sciences and Engineering, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
5. Curriculum in Toxicology & Environmental Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
6. Biomedical Research Imaging Center and Department of Radiology, The University of North Carolina at Chapel Hill, North Carolina, USA
7. Department of Epidemiology, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA