Lunde, Lars-Kristian http://orcid.org/0000-0001-6219-9244
Merkus, Suzanne
Koch, Markus
Knardahl, Stein
Wærsted, Morten
Veiersted, Kaj Bo
Funding for this research was provided by:
The Research Council of Norway (Grant number 218358)
Article History
Received: 29 May 2020
Accepted: 9 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: The study was approved by the Regional Committees for Medical and Health Research Ethics in Norway, region REC South East (reference number 2014/138/ REK south east D). All subjects signed a written informed consent form and the study was conducted in accordance with the Helsinki Declaration.
: Not applicable.
: The authors declare that they have no competing interests.