Ghaderi, Sara http://orcid.org/0000-0002-5338-1754
Berg-Hansen, Pål
Bakken, Inger Johanne
Magnus, Per
Trogstad, Lill
Håberg, Siri Eldevik
Funding for this research was provided by:
Reseach Council of Norway (262700)
Article History
Received: 22 August 2019
Accepted: 5 December 2019
First Online: 23 December 2019
Compliance with ethical standards
:
: The authors have no conflict of interest.
: The study was approved by the Regional Committee for Medical and Health Research Ethics, South-East Region, Norway, and the Norwegian Data Protection Authority.
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