Stevens, Madeleine http://orcid.org/0000-0003-3540-3494
Funding for this research was provided by:
Research Trainees Coordinating Centre (DRF-2011-04-133)
Article History
Received: 10 October 2017
Accepted: 2 August 2018
First Online: 10 August 2018
Ethics approval and consent to participate
: Informed consent was obtained from research participants. Ethical approvals for the study were obtained from the London School of Economics Research Ethics Committee (ID 120521), from the ALSPAC Ethics and Law Committee and the Local Research Ethics Committees.
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: The author declares that he/she has no competing interests.
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