1 Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA. jbangma@ad.unc.edu.
2 Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
3 School of Nursing, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
4 Department of Allied Health Sciences, University of North Carolina School of Medicine, Chapel Hill, NC, USA.
5 Department of Pediatrics, Boston Medical Center, Boston, MA, USA.
6 Department of Anatomy and Neurobiology, Boston University School of Medicine, Boston, MA, USA.
7 Eunice Kennedy Shriver Center, Department of Psychiatry, University of Massachusetts Medical School/University of Massachusetts Memorial Health Care, Worcester, MA, USA.
8 Department of Pediatrics, Division of Pediatric Neurology, Boston University Medical Center, Boston, MA, USA.
9 Department of Pediatrics, University of North Carolina, Chapel Hill, NC, USA.
10 Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.