Haugom, Espen W.
Benth, Jūratė Šaltytė
Stensrud, Bjørn
Ruud, Torleif
Clausen, Thomas
Landheim, Anne Signe
Funding for this research was provided by:
University of Oslo
Article History
Received: 13 March 2023
Accepted: 5 October 2023
First Online: 13 October 2023
Declarations
:
: Ethical approval was obtained from the Regional Committee for Medical and Health Research Ethics (REC South-East, Reg. No. 2015/2169) and from the data protection officer of each participating health trust. All participants signed a written fully informed consent. All methods were performed in accordance with the relevant guidelines and regulations set by the Regional Committee for Medical and Health Research Ethics.
: Not applicable.
: The authors declare no competing interests.