tation of the results, and provided critical comments and
revisions of the article.
Details of ethics approval
The study was approved by the DNBC Board of Directors,
the DNBC Steering Committee, the Regional Ethics Com-
mittee, the Danish Data Protection Agency, and the Institu-
tional Review Board at the Centers for Disease Control and
Prevention. Signed informed consent was obtained for the
This study was primarily supported by the Centers for Disease
Control and Prevention (CDC),Atlanta,Georgia,USA.
The Danish National Research Foundation established the
Danish Epidemiology Science Centre that initiated and cre-
ated the Danish National Birth Cohort. The cohort was fur-
thermore a result of a major grant from this Foundation.
Additional support for the Danish National Birth Cohort
was obtained from the Pharmacy Foundation, the Egmont
Foundation, the March of Dimes Birth Defects Foundation,
the Augustinus Foundation, and the Health Foundation.
The authors would like to thank all the participants for
their time, as well as Dr Tom Manly for his contribution
to the development of the TEACh-5 test.
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