Værnes, Tor Gunnar http://orcid.org/0000-0002-2177-1512
Røssberg, Jan Ivar
Melle, Ingrid
Nelson, Barnaby
Romm, Kristin Lie
Møller, Paul
Funding for this research was provided by:
University of Oslo
Article History
Received: 20 February 2021
Accepted: 19 October 2021
First Online: 16 November 2021
Declarations
:
: The authors declare that they have no conflicts of interest concerning this article.
: All participants gave written informed consent. For those below 18 years, parents consented as well. The study was approved by the Regional Committee for Medical Research Ethics (REC South-East) in Norway (permission number 2011/1070 D), and was conducted in accordance with the 1964 Declaration of Helsinki.