Funding for this research was provided by:
Economic and Social Research Council (ES/N000382/1, ES/N000498/1)
Medical Research Council (MR/M020894/1, MR/M014509/1, MC_UU_12013/2, MC_UU_12013/9, MC_UU_12013/8, MC_UU_12013/3, MC_UU_12013/4, MC_UU_12013/6)
Wellcome Trust (102215/2/13/2)
Biotechnology and Biological Sciences Research Council (BBI025751/1, BB/I025263/1)
Received: 18 January 2018
Accepted: 14 June 2018
First Online: 27 June 2018
Ethics approval and consent to participate
: Ethical approval for the study was obtained from the ALSPAC Ethics and Law Committee and the Local Research Ethics Committees. Informed consent was given by the offsprings’ parents at the outset of the study.
: Not applicable.
: The authors declare that they have no competing interests.
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