1 Department of Genetics, Washington University School of Medicine, St. Louis, Missouri, USA.
2 The Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, Missouri, USA.
3 Center for Regenerative Medicine, Washington University School of Medicine, St. Louis, Missouri, USA.
4 Epigenetics Institute, Center for Excellence in Environmental Toxicology, Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
5 Center for Precision Environmental Health, Departments of Molecular & Cellular Biology and Medicine, Baylor College of Medicine, Houston, Texas, USA.
6 Department of Environmental Health Sciences, Johns Hopkins School of Public Health, Baltimore, Maryland, USA.
7 Department of Medicine, Case Western Reserve University, Cleveland, Ohio, USA.
8 Department of Environmental Health Sciences and Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan, USA.
9 Department of Medicine, The University of Chicago, Chicago, Illinois, USA.
10 Department of Biological Sciences, Center for Human Health and the Environment, Bioinformatics Research Center, North Carolina State University, Raleigh, North Carolina, USA.
11 Center for Genomic & Computational Biology, Division of Medical Genetics, Department of Pediatrics, Duke University, Durham, North Carolina, USA.
12 Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, Chapel Hill, North Carolina, USA.
13 Genes Environment and Health Branch, Division of Extramural Research and Training, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, USA.