Merkus, Suzanne Lerato http://orcid.org/0000-0003-0945-3738
Mathiassen, Svend Erik http://orcid.org/0000-0003-1443-6211
Lunde, Lars-Kristian http://orcid.org/0000-0001-6219-9244
Koch, Markus
Wærsted, Morten http://orcid.org/0000-0002-9570-2181
Forsman, Mikael http://orcid.org/0000-0001-5777-4232
Knardahl, Stein http://orcid.org/0000-0002-7300-8519
Veiersted, Kaj Bo http://orcid.org/0000-0003-1221-384X
Funding for this research was provided by:
Norges Forskningsråd (218358)
Article History
Received: 6 June 2020
Accepted: 9 November 2020
First Online: 5 December 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the Regional Committee for Medical and Health Research Ethics in Norway (2014/138/REK south east D) and was conducted in accordance with the Helsinki Declaration
: All participants gave written informed consent prior to the study.