Funding for this research was provided by:
Norges Forskningsråd (Grant no. 260381)
Received: 10 July 2020
Accepted: 8 April 2021
First Online: 6 May 2021
: Ethical approval was obtained from the Norwegian Regional Committees for Medical and Health Research Ethics (REC; 2015/1322). Informed consent was obtained from all volunteers.
: Not Applicable.
: The authors declare that they have no competing interests.