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Authors
Andermo, Susanne http://orcid.org/0000-0002-8006-1991
Hellénius, Mai-Lis
Lidin, Matthias
Hedby, Ulrika
Nordenfelt, Anja
Nyberg, Gisela
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Funding
Funding for this research was provided by:
Hjärt-Lungfonden
Skandia Insurance
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Article History
Received: 6 November 2019
Accepted: 11 May 2020
First Online: 29 May 2020
Ethics approval and consent to participate
: The study was approved by the Regional Ethical Review Board in Stockholm (2016/447–31/2, 2016/1254–32 and 2017/2379–32) and follows the ethical principles of the Declaration of Helsinki 1964. Eligible families received verbal and written information about the study and gave informed consent in writing before participation in the study. Parents gave written informed consent for their children.
: The written informed consent that were obtained from parents include consent for publication. However, there are no details on individuals reported within the manuscript.
: The authors declare no competing interests.
