Funding for this research was provided by:
Agence Nationale de Sécurité Sanitaire de l’Alimentation, de l’Environnement et du Travail (EST-2010/2/126)
Fondation de France (2015-00059545)
Received: 8 September 2017
Accepted: 29 January 2018
First Online: 20 February 2018
Ethics approval and consent to participate
: All participants gave informed written consent for themselves and for their children to be included in the cohort.
: Not applicable.
: The authors declare that they have no competing interests.
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