Nystrøm, Vivian
Lurås, Hilde
Midlöv, Patrik
Leonardsen, Ann-Chatrin Linqvist
Article History
Received: 21 January 2021
Accepted: 26 April 2021
First Online: 11 May 2021
Declarations
:
: The study was based on the principles stated in the Declaration of Helsinki on anonymity, written, informed consent and the right to withdraw without any negative consequences [CitationRef removed]. Informed consent was obtained from all the participants. The study was approved by the Regional Committees for Medical and Health Research Ethics (REC) (reference number 2018/687) and the Norwegian Centre for Research Data (NSD) (reference number 340271).
: Not applicable.
: All authors declare that they have no conflicts of interest in relation to the submitted work.