Linnsand, Petra http://orcid.org/0000-0001-8240-6546
Gillberg, Christopher
Nilses, Åsa
Hagberg, Bibbi
Nygren, Gudrun
Article History
First Online: 12 June 2020
Compliance with Ethical Standards
:
: The authors declare that they have no competing or potential conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the Ethical standards of the Institutional and National Research Committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Prior to the beginning of data collection, the study was approved by the Regional Ethics Committee in Gothenburg, Sweden.
: All parents provided verbal and written informed consent to participate in the study. Informed consent was obtained from at least one parent of each child. The study was approved by the Regional Ethics Committee in Gothenburg, Sweden, Registration Number 653-14.