Funding for this research was provided by:
National Institute of General Medical Sciences (P20GM104416)
National Institute of Environmental Health Sciences (P01ES022832)
U.S. National Library of Medicine (K01LM011985)
National Institute of Dental and Craniofacial Research (R01DE022772)
U.S. Environmental Protection Agency (RD83544201)
Received: 28 February 2018
Accepted: 30 May 2018
First Online: 5 July 2018
Ethics approval and consent to participate
: The Center for the Protection of Human Subjects at Dartmouth provided institutional review board approval. All methods were carried out in accordance with the guidelines. Written informed consent was obtained for participation from all subjects for themselves and their children.
: The authors declare that they have no competing interests.
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